/* ================================================
   LOCAL FONTS (im Ordner assets/fonts/ mitgeliefert)
   ================================================ */

/* Montserrat - alle Headings */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('../fonts/montserrat-300.woff2') format('woff2');
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/montserrat-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/montserrat-500.woff2') format('woff2');
}

/* Numans - Body */
@font-face {
  font-family: 'Numans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/numans-400.woff2') format('woff2');
}


/* ================================================
   DESIGN TOKENS
   ================================================ */
:root {
  --blue:       #1B2DAC;
  --blue-dark:  #141F82;
  --blue-soft:  #EEF0FB;
  --ink:        #0A0F2D;
  --ink-soft:   #3D4468;
  --slate:      #7C839A;
  --line:       #E5E7EC;
  --bg:         #FCFCFC;
  --bg-tint:    #F5F6F9;

  --display: "Montserrat", -apple-system, BlinkMacSystemFont, sans-serif;
  --body:    "Numans", "Montserrat", sans-serif;

  --max:     1180px;
  --pad:     clamp(1.25rem, 4vw, 2.5rem);
  --section: clamp(3rem, 7vw, 5.5rem);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ================================================
   BASE
   ================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--blue);
  text-decoration: none;
  transition: color .25s var(--ease);
}
a:hover { color: var(--blue-dark); }

button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 300;
  letter-spacing: -0.005em;
  line-height: 1.15;
  margin: 0;
  color: var(--ink);
}

h1 { font-size: clamp(2.25rem, 5.5vw, 4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.65rem, 3vw, 2.35rem); }

p { margin: 0 0 1em; }

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

/* ================================================
   LANGUAGE SWITCH
   ================================================ */
[data-lang] { display: none; }
body.lang-de [data-lang="de"],
body.lang-en [data-lang="en"] { display: inline; }
body.lang-de [data-lang="de"].block,
body.lang-en [data-lang="en"].block { display: block; }

/* ================================================
   TOP BAR
   ================================================ */
.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(252, 252, 252, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease);
}
.top.scrolled { border-bottom-color: var(--line); }

.top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.25rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}
.logo img { height: 18px; width: auto; }

.top__right {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.top__mail {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.top__mail:hover { color: var(--blue); }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.lang-switch__opt {
  color: var(--slate);
  padding: 0.4rem 0.1rem;
  transition: color .2s var(--ease);
}
.lang-switch__opt:hover { color: var(--blue); }
.lang-switch__opt.active {
  color: var(--ink);
  font-weight: 500;
}
.lang-switch__sep {
  color: var(--line);
  user-select: none;
}

@media (max-width: 620px) {
  .top__mail { display: none; }
  .logo img { height: 14px; }
}

/* ================================================
   HERO
   ================================================ */
.hero {
  padding-block: clamp(3.5rem, 7vw, 6rem) var(--section);
  position: relative;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero__text { max-width: 52ch; }

.eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.75rem;
}

.hero h1 {
  margin-bottom: 1.5rem;
}
.hero h1 .accent {
  color: var(--blue);
  font-style: normal;
}

.hero__lead {
  font-size: clamp(1rem, 1.25vw, 1.125rem);
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 50ch;
  margin-bottom: 2rem;
}

.hero__lead-attr {
  display: block;
  margin-top: 1em;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--slate);
  letter-spacing: 0.03em;
}
.hero__meta strong {
  display: block;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 0.15rem;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* Hero-Visual: nur Brand-Icon, kein Rahmen, kein Hintergrund */
.hero__media {
  aspect-ratio: 4/3;
  display: grid;
  place-items: center;
  position: relative;
}

.hero__icon {
  width: 78%;
  max-width: 340px;
  height: auto;
  color: var(--blue);
}

@media (max-width: 840px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__media { order: -1; aspect-ratio: 16/10; max-height: 40vh; }
  .hero__icon { max-width: 220px; }
}

/* ================================================
   EXPERTISE
   ================================================ */
.expertise {
  padding-block: var(--section);
  background: var(--bg-tint);
  border-block: 1px solid var(--line);
}

.expertise__grid {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 2.4fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.expertise__sticky { position: sticky; top: 6rem; }

.section-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -0.005em;
}

.prose p {
  font-size: clamp(1.02rem, 1.15vw, 1.12rem);
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 1.1em;
  max-width: 64ch;
}
.prose p:last-child { margin-bottom: 0; }
.prose p strong { color: var(--ink); font-weight: 500; }

.prose__divider {
  width: 28px;
  height: 1px;
  background: var(--line);
  margin: 1.25rem 0;
  border: none;
}

@media (max-width: 800px) {
  .expertise__grid { grid-template-columns: 1fr; gap: 2rem; }
  .expertise__sticky { position: static; }
}

/* ================================================
   PRINCIPLE
   ================================================ */
.principle {
  padding-block: var(--section);
  background: var(--bg);
  text-align: center;
}

.principle__quote {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.4;
  color: var(--ink);
  max-width: 32ch;
  margin: 0 auto;
  letter-spacing: -0.005em;
}
.principle__quote .accent { color: var(--blue); }

.principle__rule {
  width: 40px;
  height: 1px;
  background: var(--blue);
  margin: 2rem auto 0;
  border: none;
}

/* ================================================
   CONTACT
   ================================================ */
.contact {
  padding-block: clamp(2.75rem, 5.5vw, 4.5rem);
  background: var(--bg-tint);
  color: var(--ink);
  border-top: 1px solid var(--line);
  position: relative;
}

.contact__inner {
  max-width: 760px;
  display: grid;
  gap: 2rem;
}

.contact .section-label { color: var(--blue); }
.contact .section-title { color: var(--ink); }

.contact__lead {
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.15vw, 1.08rem);
  line-height: 1.7;
  max-width: 52ch;
}
.contact__lead a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.contact__lead a:hover { color: var(--blue-dark); text-decoration-thickness: 2px; }

.contact__direct {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.75rem;
}
.contact__direct-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: baseline;
  gap: 1rem;
  font-size: 14px;
}
.contact__direct-row .label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}
.contact__direct-row a { color: var(--ink); }
.contact__direct-row a:hover { color: var(--blue); }
.contact__direct-row .text { color: var(--ink-soft); }

@media (max-width: 620px) {
  .contact__direct-row { grid-template-columns: 1fr; gap: 0.25rem; }
}

/* ================================================
   ARTICLE (Impressum, Datenschutz)
   ================================================ */
.article-head {
  padding-block: clamp(3rem, 6vw, 5rem) clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 12px;
  color: var(--slate);
  margin-bottom: 1.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color .2s var(--ease);
}
.article-back:hover { color: var(--blue); }
.article-back::before {
  content: "\2190";
  display: inline-block;
  transition: transform .2s var(--ease);
}
.article-back:hover::before { transform: translateX(-3px); }

.article-title {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.1;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.article-body {
  padding-block: clamp(2.5rem, 5vw, 4rem) clamp(4rem, 8vw, 6rem);
  max-width: 740px;
}

.article-body h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1.25rem, 1.8vw, 1.45rem);
  line-height: 1.3;
  color: var(--ink);
  margin-top: 2.75rem;
  margin-bottom: 0.85rem;
  letter-spacing: -0.005em;
  scroll-margin-top: 6rem;
}
.article-body h2:first-child { margin-top: 0; }

.article-body h3 {
  font-family: var(--body);
  font-weight: 500;
  font-size: 1rem;
  color: var(--ink);
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.01em;
}

.article-body p {
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.75;
  margin-bottom: 1.1em;
}

.article-body strong {
  color: var(--ink);
  font-weight: 500;
}

.article-body ul {
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.7;
  padding-left: 1.25rem;
  margin-bottom: 1.25em;
}
.article-body ul li { margin-bottom: 0.4em; }

.article-body a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  word-wrap: break-word;
  overflow-wrap: break-word;
}
.article-body a:hover {
  color: var(--blue-dark);
  text-decoration-thickness: 2px;
}

.article-body .meta {
  font-size: 12px;
  color: var(--slate);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.article-body .toc {
  background: var(--bg-tint);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 3rem;
}
.article-body .toc-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.85rem;
  display: block;
}
.article-body .toc ul.index {
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
  column-count: 2;
  column-gap: 2rem;
  font-size: 13.5px;
}
.article-body .toc ul.index li {
  break-inside: avoid;
  margin-bottom: 0.3em;
}
.article-body .toc a.index-link {
  text-decoration: none;
  color: var(--ink-soft);
}
.article-body .toc a.index-link:hover {
  color: var(--blue);
}

@media (max-width: 620px) {
  .article-body .toc ul.index { column-count: 1; }
}

/* Detail-Boxen im Datenschutz (Verarbeitete Datenarten, Rechtsgrundlagen etc.) */
.article-body ul.m-elements {
  list-style: none;
  padding: 1.1rem 1.4rem;
  margin-top: 0.5em;
  margin-bottom: 1.5em;
  background: var(--bg-tint);
  border-left: 2px solid var(--blue);
  border-radius: 0 3px 3px 0;
  font-size: 14px;
}
.article-body ul.m-elements > li {
  margin-bottom: 0.65em;
  line-height: 1.7;
}
.article-body ul.m-elements > li:last-child {
  margin-bottom: 0;
}
.article-body ul.m-elements ul {
  margin-top: 0.4em;
  margin-bottom: 0.4em;
  font-size: 13.5px;
}

/* Glossar */
.article-body ul.glossary {
  list-style: none;
  padding-left: 0;
}
.article-body ul.glossary > li {
  margin-bottom: 1.25em;
  padding-bottom: 1.25em;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}
.article-body ul.glossary > li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.article-body ul.glossary > li strong {
  display: block;
  margin-bottom: 0.35em;
  color: var(--ink);
  font-weight: 500;
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  padding: 1.75rem 0 1.5rem;
  background: var(--bg-tint);
  color: var(--slate);
  font-size: 12px;
  border-top: 1px solid var(--line);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  letter-spacing: 0.02em;
}
.footer a { color: var(--slate); }
.footer a:hover { color: var(--blue); }
.footer__links { display: flex; gap: 1.5rem; flex-wrap: wrap; }

/* ================================================
   REVEAL (nur wenn JS aktiv)
   ================================================ */
@media (prefers-reduced-motion: no-preference) {
  html.has-reveal .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .9s var(--ease), transform .9s var(--ease);
  }
  html.has-reveal .reveal.visible { opacity: 1; transform: none; }
}