/* Zentrale IPHLA-Markenfarben für alle öffentlichen und geschützten Seiten. */
:root {
  --brand-red: #cf202f;
  --brand-blue: #289abd;
  --brand-ivory: #f5f2ea;
  --brand-charcoal: #30363a;
  --brand-muted: #697176;
  --brand-line: #d9d9d2;
  --brand-blue-soft: #e8f4f7;
  --page-gutter: clamp(18px, 2.4vw, 44px);
  --brand-line-soft: color-mix(in srgb, var(--brand-blue) 18%, transparent);

  --color-primary: var(--brand-charcoal);
  --color-secondary: var(--brand-blue);
  --color-text: var(--brand-charcoal);
  --color-muted: var(--brand-muted);
  --color-border: var(--brand-line);
  --color-background: var(--brand-ivory);
  --color-accent: var(--brand-red);

  --navy: var(--brand-charcoal);
  --blue: var(--brand-blue);
  --red: var(--brand-red);
  --paper: var(--brand-ivory);
  --ink: var(--brand-charcoal);
  --muted: var(--brand-muted);
  --line: var(--brand-line);
}

body { background: var(--brand-ivory); color: var(--brand-charcoal); }
.site-label { color: var(--brand-blue); }
.eyebrow, .site-eyebrow { color: var(--brand-red); }

.topbar,
.legal-page > .topbar,
.contact-page > .topbar,
footer,
.legal-page > footer,
.contact-page > footer {
  width: 100% !important;
  max-width: none !important;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--page-gutter);
  padding-right: var(--page-gutter);
}

footer,
.legal-page > footer,
.contact-page > footer {
  min-height: 48px;
  margin-top: auto;
  padding: 12px var(--page-gutter) 0;
  border-top: 1px solid color-mix(in srgb, var(--brand-blue) 22%, transparent);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

footer p { margin: 0; }
footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 24px;
}

footer a { padding: 8px 0; }
.legal-document, .contact-document { border-color: var(--brand-line-soft); }
.legal-copy { border-left-color: var(--brand-line-soft); }
.legal-document,
.legal-page--long .legal-document,
.contact-document {
  width: 100%;
  max-width: none;
}
.legal-page,
.contact-page {
  padding-left: 0;
  padding-right: 0;
}
.legal-document,
.legal-page--long .legal-document {
  padding-left: var(--page-gutter);
  padding-right: var(--page-gutter);
}
.legal-page--long .legal-copy {
  width: min(820px, 62vw);
}
.back-link, .legal-copy a { color: var(--brand-blue); }
.placeholder { border-left-color: var(--brand-blue); background: color-mix(in srgb, var(--brand-blue-soft) 45%, transparent); }
.submit-button, .auth-card button, .button-primary, .menu-button { background: var(--brand-charcoal); }
.submit-button:hover, .submit-button:focus-visible,
.auth-card button:hover, .auth-card button:focus-visible,
.button-primary:hover { background: var(--brand-red); }

/* Markenstil der späteren Hauptseite. */
.main-header {
  min-height: 92px;
  padding: 12px var(--page-gutter);
  background: color-mix(in srgb, var(--brand-ivory) 94%, transparent);
  border-color: color-mix(in srgb, var(--brand-charcoal) 14%, transparent);
}
.brand { gap: 13px; }
.brand img {
  width: 70px;
  height: 59px;
  object-fit: contain;
}
.brand span {
  max-width: none;
  color: var(--brand-muted);
  display: flex;
  flex-direction: column;
  gap: 5px;
  white-space: nowrap;
}
.brand span strong {
  color: var(--brand-charcoal);
  font-size: 9px;
  line-height: 1;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.brand span small {
  color: var(--brand-blue);
  font-size: 8px;
  line-height: 1;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.main-navigation a,
.header-tools a { transition: color .2s ease, box-shadow .2s ease; }
.main-navigation a:hover,
.main-navigation a:focus-visible { color: var(--brand-red); outline: none; }
.main-navigation a.active {
  color: var(--brand-charcoal);
  box-shadow: inset 0 -2px var(--brand-red);
}
.header-tools { gap: 5px; }
.language-link {
  position: relative;
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 50%;
  display: block;
}
.header-flag {
  position: absolute;
  inset: 4px;
  display: block;
  overflow: hidden;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px #30363a24;
}
.header-flag.flag-de {
  background: linear-gradient(to bottom, #151515 0 33.333%, #d3262f 33.333% 66.666%, #f2c230 66.666% 100%);
}
.header-flag.flag-en {
  background: linear-gradient(33deg, transparent 46%, #c8102e 46% 54%, transparent 54%), linear-gradient(-33deg, transparent 46%, #c8102e 46% 54%, transparent 54%), linear-gradient(33deg, transparent 41%, #fff 41% 59%, transparent 59%), linear-gradient(-33deg, transparent 41%, #fff 41% 59%, transparent 59%), #012169;
}
.header-flag.flag-en::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 44%, #c8102e 44% 56%, transparent 56%), linear-gradient(0deg, transparent 42%, #c8102e 42% 58%, transparent 58%), linear-gradient(90deg, transparent 38%, #fff 38% 62%, transparent 62%), linear-gradient(0deg, transparent 34%, #fff 34% 66%, transparent 66%);
}
.language-link:hover,
.language-link:focus-visible {
  outline: none;
  background: #fffdf8;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--brand-blue) 55%, transparent);
}
.language-link.active {
  background: #fffdf8;
  box-shadow: 0 0 0 2px var(--brand-charcoal);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.logout-link:hover,
.logout-link:focus-visible { color: var(--brand-red); outline: none; }
.site-hero {
  padding-left: var(--page-gutter);
  padding-right: var(--page-gutter);
  background: linear-gradient(110deg, var(--brand-ivory) 0 68%, color-mix(in srgb, var(--brand-blue-soft) 55%, var(--brand-ivory)) 68%);
}
.site-hero h1,
.site-intro h2,
.feature-card h3 { color: var(--brand-charcoal); }
.hero-ornament { color: color-mix(in srgb, var(--brand-blue) 8%, transparent); }
.site-intro, .feature-grid { background: #fffdf8; }
.site-intro,
.feature-grid,
.news-strip {
  padding-left: var(--page-gutter);
  padding-right: var(--page-gutter);
}
.event-card {
  background: #fffdf8;
  color: var(--brand-charcoal);
  padding: clamp(28px, 3vw, 40px);
  border-top: 4px solid var(--brand-red);
  box-shadow: 18px 18px 0 color-mix(in srgb, var(--brand-blue) 13%, transparent);
}
.event-card div + div { border-color: color-mix(in srgb, var(--brand-blue) 25%, transparent); }
.event-card span { color: var(--brand-blue); }
.event-card strong {
  color: var(--brand-charcoal);
  font-size: clamp(24px, 2.15vw, 34px);
  hyphens: auto;
  overflow-wrap: break-word;
}
.event-card small { color: var(--brand-muted); }
.feature-card { border-color: var(--brand-line); }
.feature-card > span { color: var(--brand-red); }
.news-strip {
  background: var(--brand-charcoal);
  color: #fff;
  border-top: 4px solid var(--brand-red);
}
.site-footer {
  width: 100% !important;
  max-width: none;
  margin: 0;
  padding: 42px var(--page-gutter);
  background: var(--brand-charcoal);
  border: 0;
  color: #fff;
}
.site-footer .footer-brand { color: #fff; }
.site-footer p { color: #aebbc1; }
.site-footer nav a { color: #d6dddf; }
.site-footer nav a:hover,
.site-footer nav a:focus-visible { color: #fff; outline: none; }

/* Gemeinsames Grundlayout der künftigen Unterseiten. */
.subpage-main {
  min-height: calc(100svh - 92px);
  background: var(--brand-ivory);
}
.subpage-hero {
  min-height: clamp(430px, 62vh, 680px);
  padding: clamp(82px, 11vw, 160px) var(--page-gutter);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.subpage-hero::after {
  content: "28";
  position: absolute;
  right: clamp(-30px, 7vw, 110px);
  top: 50%;
  translate: 0 -50%;
  color: color-mix(in srgb, var(--brand-blue) 7%, transparent);
  font: 700 clamp(230px, 34vw, 520px)/.8 Georgia, serif;
  pointer-events: none;
}
.subpage-hero > * { position: relative; z-index: 1; }
.subpage-hero .site-eyebrow { margin-bottom: 24px; }
.subpage-hero h1 {
  max-width: 900px;
  margin: 0;
  color: var(--brand-charcoal);
  font: 400 clamp(62px, 9vw, 126px)/.9 Georgia, "Times New Roman", serif;
  letter-spacing: -.055em;
}
.subpage-hero > p:last-child {
  max-width: 720px;
  margin: 38px 0 0;
  color: var(--brand-muted);
  font: 400 clamp(18px, 1.65vw, 23px)/1.65 Georgia, serif;
}
.subpage-content {
  padding: clamp(48px, 7vw, 92px) var(--page-gutter);
  display: grid;
  grid-template-columns: minmax(220px, .7fr) minmax(320px, 1.3fr);
  gap: clamp(42px, 8vw, 120px);
  align-items: start;
  background: #fffdf8;
  border-top: 1px solid var(--brand-line);
}
.subpage-content div { display: flex; flex-direction: column; gap: 8px; }
.subpage-content span,
.subpage-content small {
  color: var(--brand-blue);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.subpage-content strong {
  color: var(--brand-charcoal);
  font: 400 clamp(28px, 3.2vw, 48px)/1 Georgia, serif;
}
.subpage-note {
  display: block;
}
.subpage-note > strong {
  display: block;
  margin: 0 0 14px;
  color: var(--brand-red);
  font-size: 10px;
  line-height: 1.2;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.subpage-note > p {
  max-width: 700px;
  margin: 0;
  padding-left: clamp(24px, 4vw, 58px);
  border-left: 3px solid var(--brand-red);
  color: var(--brand-muted);
  font: 400 clamp(17px, 1.5vw, 21px)/1.75 Georgia, serif;
}

@media (max-width: 980px) {
  .site-hero { background: linear-gradient(160deg, var(--brand-ivory) 0 75%, color-mix(in srgb, var(--brand-blue-soft) 55%, var(--brand-ivory)) 75%); }
  .main-navigation {
    background: var(--brand-charcoal);
    color: #fff;
    box-shadow: 0 18px 34px #30363a24;
  }
  .main-navigation a:hover,
  .main-navigation a:focus-visible { color: #fff; box-shadow: inset 3px 0 var(--brand-red); padding-left: 14px; }
  .main-navigation a.active { color: #fff; box-shadow: inset 3px 0 var(--brand-blue); }
  .event-card { width: min(520px, 100%); }
  .subpage-content { grid-template-columns: 1fr; }
  .subpage-note > p { padding-left: 24px; }
}

/* Fester Rahmen der aktuellen Save-the-Date-Unterseiten auf Desktop. */
@media (min-width: 701px) {
  .legal-page,
  .contact-page {
    width: 100%;
    height: 100vh;
    height: 100dvh;
    min-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    overflow: hidden;
  }

  .legal-page > .topbar,
  .contact-page > .topbar {
    z-index: 5;
    margin-bottom: 0;
    padding-top: clamp(16px, 2.2vh, 24px);
    padding-bottom: clamp(12px, 1.7vh, 20px);
    background: color-mix(in srgb, var(--brand-ivory) 96%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--brand-blue) 14%, transparent);
    backdrop-filter: blur(12px);
  }

  .legal-page > .legal-document,
  .contact-page > .contact-document {
    min-height: 0;
    height: 100%;
    margin-top: 0;
    margin-bottom: 0;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    scrollbar-gutter: stable;
    -webkit-overflow-scrolling: touch;
  }

  .legal-page > .legal-document {
    padding: clamp(34px, 5vh, 64px) var(--page-gutter);
    display: grid;
    grid-template-columns: minmax(300px, .7fr) minmax(560px, 1.3fr);
    grid-template-rows: auto auto 1fr;
    column-gap: clamp(52px, 7vw, 128px);
    align-content: center;
    background: linear-gradient(105deg, transparent 0 38%, color-mix(in srgb, var(--brand-blue-soft) 18%, transparent) 38% 100%);
    border-top: 0;
    border-bottom: 1px solid var(--brand-line-soft);
  }

  .legal-page--long > .legal-document {
    padding: clamp(34px, 5vh, 58px) var(--page-gutter);
    display: grid;
    grid-template-columns: minmax(300px, .7fr) minmax(560px, 1.3fr);
    grid-template-rows: auto auto minmax(0, 1fr);
    align-content: start;
    overflow-y: hidden;
  }

  body[data-legal-page="cookies"] .legal-document { align-content: center; }

  .legal-page .legal-document > .eyebrow,
  .legal-page--long .legal-document > .eyebrow {
    grid-area: 1 / 1;
    margin: 0 0 16px;
  }

  .legal-page .legal-document h1,
  .legal-page--long .legal-document h1 {
    grid-area: 2 / 1;
    align-self: start;
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0;
    color: var(--brand-charcoal);
    font-size: clamp(40px, 3.25vw, 56px);
    line-height: .98;
    hyphens: none;
    overflow-wrap: normal;
    overflow: visible;
  }

  .legal-page .legal-document h1::after {
    content: "";
    display: block;
    width: 104px;
    height: 3px;
    margin-top: 28px;
    background: linear-gradient(90deg, var(--brand-red) 0 34%, var(--brand-blue) 34% 100%);
  }

  .legal-page .legal-copy,
  .legal-page--long .legal-copy {
    grid-area: 1 / 2 / span 3;
    align-self: start;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0 0 0 clamp(26px, 3vw, 48px);
    border-left: 1px solid var(--brand-line-soft);
    color: var(--brand-muted);
    font-size: clamp(15px, 1.15vw, 17px);
    line-height: 1.66;
  }

  .legal-page--long .legal-copy {
    height: 100%;
    min-height: 0;
    padding-bottom: clamp(82px, 11vh, 132px);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    scrollbar-gutter: stable;
    -webkit-overflow-scrolling: touch;
  }

  .legal-page .legal-copy p { margin: 0 0 12px; }
  .legal-page .legal-copy p:last-child { margin-bottom: 0; }
  .legal-page .legal-copy strong { font-size: 1.08em; }

  .legal-page .back-link,
  .legal-page--long .back-link {
    grid-area: 3 / 1;
    place-self: end start;
    margin: 34px 0 0;
  }

  .legal-page > footer,
  .contact-page > footer {
    z-index: 5;
    flex: none;
    min-height: 0;
    margin-top: 0;
    padding-top: 10px;
    padding-bottom: 10px;
    background: color-mix(in srgb, var(--brand-ivory) 97%, transparent);
    backdrop-filter: blur(12px);
  }
}

@media (max-width: 600px) {
  .main-header {
    min-height: 74px;
    padding: 8px 18px;
    grid-template-columns: auto 1fr auto;
  }
  .brand img { width: 54px; height: 46px; }
  .header-tools { justify-self: center; gap: 2px; }
  .language-link { padding: 8px 6px; }
  .menu-button { justify-self: end; background: var(--brand-charcoal); }
  .site-hero { padding-top: 52px; }
  .event-card { justify-self: stretch; }
  .subpage-main { min-height: calc(100svh - 74px); }
  .subpage-hero { min-height: 470px; padding: 72px 18px; }
  .subpage-hero h1 { font-size: clamp(56px, 18vw, 82px); }
  .subpage-hero > p:last-child { margin-top: 28px; font-size: 17px; }
  .subpage-content { padding: 46px 18px 64px; gap: 34px; }
  .site-footer { padding: 38px 18px; }
}

@media (max-width: 520px) {
  footer,
  .legal-page > footer,
  .contact-page > footer {
    position: relative;
    min-height: 0;
    padding: 12px 18px 14px;
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  footer > p,
  .legal-page > footer > p,
  .contact-page > footer > p {
    width: 100%;
    text-align: center;
    font-size: 8px;
    line-height: 1.3;
  }

  footer nav,
  .legal-page > footer nav,
  .contact-page > footer nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: stretch;
    gap: 2px 8px;
  }

  footer a,
  .legal-page > footer a,
  .contact-page > footer a {
    min-height: 42px;
    padding: 8px 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 9px;
    line-height: 1.2;
  }
}