/* ============================================================================
   BASE.CSS — Reset, Design Tokens, Typografie, gemeinsame Layout-Bausteine
   Wird auf allen Seiten geladen (inkl. /kyz-uzatuu/, dort ergänzt um eine
   eigene, deutlich abweichende Farbwelt in kyz-uzatuu.css).
   ============================================================================ */

/* ---- Design Tokens -------------------------------------------------------- */
:root {
  /* Farbwelt der Hauptwebsite */
  --color-ivory: #f8f4ec;
  --color-ivory-dark: #efe8da;
  --color-beige: #e7ddc9;
  --color-anthracite: #2a2723;
  --color-anthracite-soft: #4a453e;
  --color-gold: #b3925a;
  --color-gold-soft: #d8c9a3;
  --color-white: #ffffff;

  /* Typografie */
  --font-serif: "Noto Serif", "Georgia", serif;
  --font-sans: "Noto Sans", "Segoe UI", sans-serif;

  /* Layout */
  --container-max: 1180px;
  --container-padding: 1.25rem;
  --header-height: 76px;

  /* Bewegung */
  --ease-elegant: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.2s var(--ease-elegant);
  --transition-medium: 0.45s var(--ease-elegant);

  /* Design ist bewusst fest hell (Ivory/Creme/Burgunder/Champagner/Anthrazit).
     "only light" verhindert, dass Browser (insbesondere Samsung Internet)
     Formularfelder, Scrollbars o.ä. bei aktiviertem System-Dark-Mode
     automatisch umfärben. Siehe auch <meta name="color-scheme"> im <head>. */
  color-scheme: only light;
}

@media (min-width: 768px) {
  :root {
    --container-padding: 2.5rem;
  }
}

/* ---- Reset ----------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--color-ivory);
  color: var(--color-anthracite);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
picture,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

input,
textarea,
select {
  font: inherit;
  color: inherit;
  /* Explizite Fläche, damit kein Browser-Dark-Mode (z. B. Samsung Internet)
     eigene Vordergrund-/Hintergrundfarben für Formularfelder einsetzt. */
  background-color: transparent;
}

/* Das "hidden"-Attribut muss IMMER gewinnen, auch wenn ein Element
   gleichzeitig eine Klasse mit eigenem "display"-Wert besitzt (z. B.
   "display: flex"). Ohne diese Regel gewinnt die Autoren-Regel gegenüber
   dem UA-Stylesheet trotz gleicher Spezifität (Cascade-Origin-Reihenfolge). */
[hidden] {
  display: none !important;
}

/* Respect reduced-motion preference globally */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---- Typografie ------------------------------------------------------------ */
.font-serif {
  font-family: var(--font-serif);
}

h1,
h2,
h3,
.heading-serif {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
}

/* ---- Layout Utilities ------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: clamp(3rem, 8vw, 6.5rem);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 0.75rem;
  z-index: 200;
  background: var(--color-anthracite);
  color: var(--color-ivory);
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 8px 8px;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* ---- Buttons ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: transform var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  border: 1px solid transparent;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--color-anthracite);
  color: var(--color-ivory);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-gold);
  color: var(--color-anthracite);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-anthracite);
  color: var(--color-anthracite);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* Visible, accessible focus state everywhere */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* ---- Image placeholder (fällt automatisch ein, wenn Bild fehlt) ------------ */
.img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 220px;
  background: linear-gradient(135deg, var(--color-beige), var(--color-ivory-dark));
  color: var(--color-anthracite-soft);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-align: center;
  padding: 1rem;
}

/* ---- Site Header / Navigation ----------------------------------------------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background-color: rgba(248, 244, 236, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background-color var(--transition-medium), box-shadow var(--transition-medium);
}

.site-header.is-scrolled {
  background-color: rgba(248, 244, 236, 0.92);
  box-shadow: 0 1px 0 rgba(42, 39, 35, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.site-header__brand {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.site-nav {
  display: none;
}

.site-header__lang {
  display: none;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.site-header__lang button {
  padding: 0.25rem 0.4rem;
  opacity: 0.55;
  color: var(--color-anthracite);
  background-color: transparent;
  transition: opacity var(--transition-fast);
}

.site-header__lang button.is-active,
.site-header__lang button:hover,
.site-header__lang button:focus-visible {
  opacity: 1;
  color: var(--color-gold);
}

.site-header__lang-divider {
  opacity: 0.35;
}

@media (min-width: 900px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: 2.25rem;
  }

  .site-nav a {
    position: relative;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.04em;
  }

  .site-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -6px;
    height: 1px;
    background-color: var(--color-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-fast);
  }

  .site-nav a:hover::after,
  .site-nav a:focus-visible::after,
  .site-nav a[aria-current="page"]::after {
    transform: scaleX(1);
  }

  .site-header__lang {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }
}

/* ---- Mobile Nav Toggle (Hamburger) ------------------------------------------ */
.nav-toggle {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 2px;
  background-color: var(--color-anthracite);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle__bar::before {
  transform: translateY(-7px);
}

.nav-toggle__bar::after {
  transform: translateY(7px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before {
  transform: translateY(0) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after {
  transform: translateY(0) rotate(-45deg);
}

/* ---- Mobile Nav Panel -------------------------------------------------------- */
.mobile-nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  z-index: 90;
  background-color: var(--color-ivory);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem var(--container-padding) 2.5rem;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), transform var(--transition-medium), visibility var(--transition-medium);
}

.mobile-nav.is-open {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.mobile-nav__links {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.mobile-nav__links a {
  font-family: var(--font-serif);
  font-size: 1.6rem;
}

.mobile-nav__lang {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.6rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.mobile-nav__lang button {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--color-anthracite);
  border-radius: 999px;
  opacity: 0.6;
  background-color: transparent;
  color: var(--color-anthracite);
}

.mobile-nav__lang button.is-active {
  opacity: 1;
  border-color: var(--color-gold);
  color: var(--color-gold);
}

@media (min-width: 900px) {
  .mobile-nav {
    display: none;
  }
}

/* ---- Footer ------------------------------------------------------------------ */
.site-footer {
  border-top: 1px solid rgba(42, 39, 35, 0.08);
  padding-block: 2.5rem;
  text-align: center;
  color: var(--color-anthracite-soft);
  font-size: 0.85rem;
}

.site-footer__brand {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--color-anthracite);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 0.75rem;
}

.site-footer__links a:hover,
.site-footer__links a:focus-visible {
  color: var(--color-gold);
}
