/* =========================================================================
   IBO SALON — Basis: Tokens, Reset, Typografie, Header, Footer
   Mobile first. Alle min-width Queries bauen nach oben auf.
   ========================================================================= */

/* ---------- Tokens ---------------------------------------------------- */
:root {
  /* Neutrales Weiss als Grundton, gestufte Graustufen fuer die Flaechen,
     Ahr-Spaetburgunder als einziger Akzent. */
  --paper:      #ffffff;
  --paper-warm: #f4f4f3;
  --paper-deep: #ebebe9;
  --ink:        #1b1b1b;
  --ink-soft:   #4c4c4c;
  --stone:      #6b6b6b;
  --wine:       #78262c;
  --wine-deep:  #521a1f;
  --brass:      #b98c56;
  --brass-hell: #e6c99c;
  --line:       #e2e2e0;
  --white:      #ffffff;

  /* Typografie */
  /* Dieselben Schriften, die der Salon schon auf der alten Seite hatte. */
  --font-display: "Domine", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --font-text:    "Work Sans", "Segoe UI", system-ui, -apple-system, sans-serif;

  --t-kicker: 0.75rem;
  --t-small:  0.875rem;
  --t-body:   clamp(1rem, 0.97rem + 0.16vw, 1.0625rem);
  --t-lead:   clamp(1.0625rem, 1rem + 0.5vw, 1.25rem);
  --t-h3:     clamp(1.2rem, 1.05rem + 0.6vw, 1.45rem);
  --t-h2:     clamp(1.6rem, 1.2rem + 1.9vw, 2.65rem);
  --t-h1:     clamp(2.15rem, 1.35rem + 4.3vw, 4.5rem);
  --t-huge:   clamp(3rem, 1.4rem + 8vw, 7rem);

  /* Raum */
  --gap:       clamp(.85rem, 0.7rem + 0.8vw, 1.5rem);
  --pad-x:     clamp(1.15rem, 0.6rem + 2.6vw, 3rem);
  --section-y: clamp(2.75rem, 1.6rem + 5vw, 6rem);
  --measure:   62ch;
  --wrap:      78rem;

  /* Form */
  --r-sm: 3px;
  --r-md: 6px;
  --r-lg: 10px;
  --shadow-soft: 0 1px 2px rgb(0 0 0 / .04), 0 8px 24px -14px rgb(0 0 0 / .16);
  --shadow-lift: 0 2px 4px rgb(0 0 0 / .05), 0 22px 44px -22px rgb(0 0 0 / .26);

  /* Bewegung */
  --dur:      240ms;
  --dur-slow: 620ms;
  --ease:     cubic-bezier(.2, .7, .25, 1);
}

@supports (color: oklch(50% .1 20)) {
  :root {
    --paper:      oklch(100%  0     0);
    --paper-warm: oklch(96.5%  0.002 90);
    --paper-deep: oklch(93.5%  0.003 90);
    --ink:        oklch(21%    0.002 90);
    --ink-soft:   oklch(44%    0.002 90);
    --stone:      oklch(56%    0.002 90);
    --wine:       oklch(39.5%  0.112 22);
    --wine-deep:  oklch(29%    0.092 22);
    --brass:      oklch(67%    0.086 68);
    --brass-hell: oklch(85%    0.062 74);
    --line:       oklch(91%    0.002 90);
  }
}

/* ---------- Reset ----------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: var(--t-body);
  line-height: 1.6;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, picture, svg, video { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; color: inherit; }
ul[class], ol[class],
.site-footer ul,
.nav-overlay ol,
.breadcrumb ol { list-style: none; padding: 0; }

:where(a) { color: inherit; }

:focus-visible {
  outline: 2px solid var(--wine);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

::selection { background: var(--wine); color: var(--paper); }

/* ---------- Typografie ------------------------------------------------ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  /* Domine wirkt bei 400 im Grossen zu duenn, 600 traegt die Ueberschrift. */
  font-weight: 600;
  /* groessere x-Hoehe als Fraunces, deshalb etwas mehr Zeilenabstand */
  line-height: 1.1;
  letter-spacing: -0.012em;
  text-wrap: balance;
}

h1 { font-size: var(--t-h1); }
h2 { font-size: var(--t-h2); }
h3 { font-size: var(--t-h3); line-height: 1.22; letter-spacing: -0.005em; }

p { text-wrap: pretty; }

/* Lange Woerter duerfen die Seite nicht aufspannen.
   Deutsche Komposita wie "Verbraucherstreitbeilegung" sind als Ueberschrift
   breiter als ein 320px-Display. Grid- und Flex-Spuren stauchen sich von
   sich aus nie unter die min-content-Breite ihres Inhalts, deshalb zieht
   ein einziges solches Wort die ganze Spalte ueber den Bildschirmrand und
   damit die komplette Seite. min-inline-size:0 hebt diese Sperre auf,
   overflow-wrap laesst das Wort dann wirklich umbrechen, und hyphens setzt
   in den grossen Schriftgraden der Ueberschriften einen Trennstrich statt
   eines harten Schnitts mitten im Wort. */
h1, h2, h3, h4,
p, li, dt, dd, figcaption, summary, blockquote, address {
  min-inline-size: 0;
  overflow-wrap: break-word;
}
h1, h2, h3, h4 {
  -webkit-hyphens: auto;
  hyphens: auto;
}

.kicker {
  font-family: var(--font-text);
  font-size: var(--t-kicker);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--wine);
  display: flex;
  align-items: center;
  gap: .6rem;
}

.lead {
  font-size: var(--t-lead);
  line-height: 1.55;
  color: var(--ink-soft);
  max-inline-size: var(--measure);
}

.serif-accent {
  font-style: italic;
  color: var(--wine);
}

.num {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* ---------- Layout-Werkzeuge ------------------------------------------ */
.wrap {
  inline-size: min(100% - (var(--pad-x) * 2), var(--wrap));
  margin-inline: auto;
}
.wrap--wide   { --wrap: 88rem; }
.wrap--narrow { --wrap: 46rem; }

.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: calc(var(--section-y) * .6); }

.section-head {
  display: grid;
  gap: .85rem;
  margin-block-end: clamp(1.75rem, 1rem + 3vw, 3.25rem);
}
.section-head .lead { margin-block-start: .15rem; }

.stack { display: grid; gap: var(--gap); }

/* Kleine Abstandshelfer. Ersetzen die frueheren style-Attribute, damit die
   Content-Security-Policy ohne 'unsafe-inline' auskommt. */
.mt-1 { margin-block-start: .5rem; }
.mt-2 { margin-block-start: 1.5rem; }
.mt-3 { margin-block-start: 2rem; }

.skip-link {
  position: absolute; inset-block-start: -100vh; inset-inline-start: 0;
  background: var(--ink); color: var(--paper);
  padding: .75rem 1.15rem; z-index: 999; border-radius: 0 0 var(--r-md) 0;
}
.skip-link:focus { inset-block-start: 0; }

/* Nur fuer Screenreader sichtbar */
.visually-hidden {
  position: absolute;
  inline-size: 1px; block-size: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- Buttons --------------------------------------------------- */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .95rem 1.5rem;
  min-block-size: 3rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-weight: 600;
  font-size: var(--t-small);
  letter-spacing: .03em;
  text-decoration: none;
  border: 1px solid var(--btn-bg);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.btn:active { transform: translateY(0); }

.btn--wine { --btn-bg: var(--wine); --btn-fg: var(--paper); }
.btn--wine:hover { --btn-bg: var(--wine-deep); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  border-color: var(--line);
  background: color-mix(in srgb, var(--white) 55%, transparent);
}
.btn--ghost:hover { border-color: var(--ink); background: var(--white); }

.btn--block { inline-size: 100%; }
.btn svg { inline-size: 1.05em; block-size: 1.05em; flex: none; }

.link-line {
  display: inline-flex; align-items: center; gap: .45rem;
  font-weight: 600; font-size: var(--t-small);
  text-decoration: none;
  color: var(--wine);
  padding-block-end: 2px;
  border-block-end: 1px solid color-mix(in srgb, var(--wine) 35%, transparent);
  transition: border-color var(--dur) var(--ease), gap var(--dur) var(--ease);
}
.link-line:hover { border-color: var(--wine); gap: .75rem; }

/* ---------- Header ---------------------------------------------------- */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-block-end: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}
.site-header.is-stuck { border-block-end-color: var(--line); }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-block-size: 4.25rem;
}

.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; }
.brand img { inline-size: 2.35rem; block-size: 2.35rem; }
.brand__text { display: grid; line-height: 1.05; }
.brand__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -.01em;
}
.brand__place {
  font-size: .625rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--stone);
}

.nav-desktop { display: none; }
.header-actions { display: flex; align-items: center; gap: .5rem; }
.header-call { display: none; }

/* Burger */
.nav-toggle {
  inline-size: 2.75rem; block-size: 2.75rem;
  display: grid; place-items: center;
  background: none; border: 1px solid var(--line); border-radius: var(--r-md);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease);
}
.nav-toggle:hover { border-color: var(--ink); }
.nav-toggle__bars { position: relative; inline-size: 1.05rem; block-size: .7rem; }
.nav-toggle__bars span {
  position: absolute; inset-inline: 0; block-size: 1.5px; background: var(--ink);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle__bars span:nth-child(1) { inset-block-start: 0; }
.nav-toggle__bars span:nth-child(2) { inset-block-start: 50%; }
.nav-toggle__bars span:nth-child(3) { inset-block-end: 0; }
[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(.335rem) rotate(45deg); }
[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-.335rem) rotate(-45deg); }

/* Vollflaechiges typografisches Menue */
.nav-overlay {
  position: fixed; inset: 0; z-index: 55;
  background: var(--ink);
  color: var(--paper);
  padding: 6rem var(--pad-x) 2.5rem;
  display: grid;
  align-content: space-between;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-1.5rem);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease),
              visibility var(--dur);
}
.nav-overlay.is-open { opacity: 1; visibility: visible; transform: none; }
.nav-overlay ol { display: grid; gap: .35rem; counter-reset: n; }
.nav-overlay li { counter-increment: n; }
.nav-overlay a {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.2rem + 4.5vw, 3rem);
  font-weight: 400;
  letter-spacing: -.02em;
  text-decoration: none;
  display: flex; align-items: baseline; gap: .9rem;
  padding-block: .3rem;
  transition: color var(--dur) var(--ease);
}
.nav-overlay a::before {
  content: "0" counter(n);
  font-family: var(--font-text); font-size: .7rem; font-weight: 600;
  letter-spacing: .14em; color: var(--brass); flex: none;
}
.nav-overlay a:hover,
.nav-overlay a[aria-current="page"] { color: var(--brass); }
.nav-overlay__foot {
  display: grid; gap: 1rem;
  padding-block-start: 2rem;
  border-block-start: 1px solid rgb(255 255 255 / .14);
}
.nav-overlay__foot a { font-size: var(--t-body); text-decoration: none; }
.nav-overlay__foot .btn { --btn-bg: var(--paper); --btn-fg: var(--ink); }

body.nav-open { overflow: hidden; }

/* ---------- Persistente Aktionsleiste (mobil) ------------------------- */
.action-bar {
  position: fixed;
  inset-inline: 0;
  inset-block-end: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: .5rem;
  padding: .6rem var(--pad-x) calc(.6rem + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-block-start: 1px solid var(--line);
  transform: translateY(120%);
  transition: transform var(--dur-slow) var(--ease);
}
.action-bar.is-visible { transform: none; }
.action-bar .btn { padding-inline: .75rem; }

/* ---------- Footer ---------------------------------------------------- */
.site-footer {
  background: var(--ink);
  color: var(--paper-warm);
  /* unten Platz fuer die feste Aktionsleiste, sonst liegt sie auf
     Impressum und Copyright */
  padding-block: clamp(3rem, 2rem + 4vw, 5rem)
                 calc(2rem + 4.75rem + env(safe-area-inset-bottom));
  margin-block-start: var(--section-y);
}
.site-footer a { text-decoration: none; transition: color var(--dur) var(--ease); }
.site-footer a:hover { color: var(--brass); }
.footer-grid { display: grid; gap: 2.5rem; }
.footer-col h3 {
  font-family: var(--font-text); font-size: var(--t-kicker); font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--brass);
  margin-block-end: .9rem;
}
.footer-col ul { display: grid; gap: .55rem; font-size: var(--t-small); }
.footer-col p { font-size: var(--t-small); color: color-mix(in srgb, var(--paper-warm) 78%, transparent); }
.footer-brand img { inline-size: 3.25rem; block-size: 3.25rem; margin-block-end: 1rem; }
.footer-bottom {
  margin-block-start: 2.75rem; padding-block-start: 1.5rem;
  border-block-start: 1px solid rgb(255 255 255 / .12);
  display: grid; gap: .75rem;
  font-size: .8125rem;
  color: color-mix(in srgb, var(--paper-warm) 62%, transparent);
}
.footer-bottom ul { display: flex; flex-wrap: wrap; gap: 1.25rem; }

/* ---------- Reveal ---------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); }
.js .reveal {
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
html:not(.js) .reveal { opacity: 1; transform: none; }

/* ---------- ab 700px -------------------------------------------------- */
@media (min-width: 43.75rem) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 3rem; }
  .footer-bottom { grid-template-columns: 1fr auto; align-items: center; }
}

/* ---------- ab 960px -------------------------------------------------- */
@media (min-width: 60rem) {
  .site-header__inner { min-block-size: 5rem; }
  .brand img { inline-size: 2.75rem; block-size: 2.75rem; }
  .brand__name { font-size: 1.3rem; }
  .nav-toggle { display: none; }
  .header-call { display: inline-flex; }
  .nav-desktop { display: flex; align-items: center; gap: clamp(1.25rem, .4rem + 1.5vw, 2.25rem); }
  .nav-desktop a {
    text-decoration: none; font-size: var(--t-small); font-weight: 500;
    position: relative; padding-block: .35rem;
    color: var(--ink-soft);
    transition: color var(--dur) var(--ease);
  }
  .nav-desktop a::after {
    content: ""; position: absolute; inset-inline: 0; inset-block-end: 0;
    block-size: 1px; background: var(--wine);
    transform: scaleX(0);
    /* Der Ankerpunkt wird beim Betreten und Verlassen von app.js gesetzt,
       damit der Strich der Maus folgt statt immer von links zu wachsen.
       Ohne JavaScript bleibt es beim Standard von links. */
    transform-origin: var(--strich-start, left) center;
    transition: transform var(--dur) var(--ease);
  }
  .nav-desktop a:hover { color: var(--ink); }
  .nav-desktop a:hover::after,
  .nav-desktop a:focus-visible::after,
  .nav-desktop a[aria-current="page"]::after { transform: scaleX(1); }
  .nav-desktop a[aria-current="page"] { color: var(--ink); }
  .action-bar { display: none; }
  .site-footer { padding-block-end: 2.5rem; }
}

/* ---------- Bewegung reduzieren --------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Druck ----------------------------------------------------- */
@media print {
  .site-header, .action-bar, .nav-overlay, .site-footer { display: none !important; }
  body { background: #fff; color: #000; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: .8em; }
}