/* ==========================================================================
   BKL-Tonstudio – components.css
   Wiederverwendbare Bausteine: Buttons, Kopfzeile, Menü, Anfrage-Pult, FAQ,
   Formular, Fußzeile. Dunkle Basis, Pink nur als Detail.
   ========================================================================== */

/* ---------- Buttons & Links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 3.25rem;
  padding: 0.85rem 1.6rem;
  border: 1px solid transparent;
  border-radius: 0;
  font: 600 var(--step-body)/1.1 var(--font-text);
  letter-spacing: 0.005em;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform var(--t-press) var(--ease-out),
    background-color var(--t-hover) ease,
    border-color var(--t-hover) ease,
    color var(--t-hover) ease;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.97); }
/* Primär: helles Off-White */
.btn-light { background: var(--paper); color: var(--black); }
/* Sekundär: dezent umrandet */
.btn-ghost { background: transparent; color: var(--paper); border-color: var(--line-strong); }
.btn-small { min-height: 2.75rem; padding: 0.55rem 1rem; font-size: var(--step-small); }
@media (hover: hover) and (pointer: fine) {
  .btn-light:hover { background: #fff; }
  .btn-ghost:hover { border-color: var(--paper); }
}
.btn-light:focus-visible { outline-color: var(--paper); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  min-height: 2.75rem;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.35em;
  transition: text-decoration-color var(--t-hover) ease, color var(--t-hover) ease;
}
@media (hover: hover) and (pointer: fine) {
  .text-link:hover { color: var(--accent-2); text-decoration-color: var(--accent); }
}

/* ---------- Kopfzeile: liegt über dem Foto, wird beim Scrollen dunkel ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: var(--header-h);
  padding: 0 var(--m);
  color: var(--paper);
  background: rgba(14, 13, 12, 0);
  transition: background-color 300ms ease, height 300ms var(--ease-out);
}
.site-header.is-scrolled {
  height: 4.25rem;
  background: rgba(14, 13, 12, 0.9);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2.75rem;
  margin-right: auto;
  font: 700 var(--step-body)/1 var(--font-display);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.wordmark .mark { width: 2rem; height: 1.65rem; flex: none; }
.wordmark span { padding-top: 0.2em; }

.nav-list { display: none; }
.nav-list a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 0.1rem;
  font-weight: 400;
  text-decoration: none;
  color: rgba(233, 232, 229, 0.82);
  transition: color var(--t-hover) ease;
}
/* Aktiver Menüpunkt: ein kleiner pinker Strich – das einzige Pink in der Kopfzeile */
.nav-list a::after {
  content: "";
  position: absolute;
  left: 0.1rem;
  right: 0.1rem;
  bottom: 0.45rem;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-ui) var(--ease-out);
}
.nav-list a[aria-current="page"] { color: var(--paper); }
.nav-list a[aria-current="page"]::after { transform: scaleX(1); }
@media (hover: hover) and (pointer: fine) {
  .nav-list a:hover { color: var(--paper); }
}

.header-cta {
  display: none;
  min-height: 2.75rem;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--paper);
  font-size: var(--step-small);
  font-weight: 600;
}
@media (hover: hover) and (pointer: fine) {
  .header-cta:hover { border-color: var(--paper); background: var(--paper); color: var(--black); }
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  min-width: 2.75rem;
  padding: 0 0.25rem;
  border: 0;
  background: none;
  color: inherit;
  font: 600 var(--step-body)/1 var(--font-text);
  cursor: pointer;
}
.menu-toggle-bars { position: relative; width: 1.5rem; height: 0.75rem; }
.menu-toggle-bars::before,
.menu-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform var(--t-ui) var(--ease-out), top var(--t-ui) var(--ease-out);
}
.menu-toggle-bars::before { top: 0; }
.menu-toggle-bars::after { top: calc(100% - 2px); }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars::before { top: calc(50% - 1px); transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars::after { top: calc(50% - 1px); transform: rotate(-45deg); }

@media (min-width: 30em) {
  .header-cta { display: inline-flex; }
}
@media (min-width: 64em) {
  .nav-list { display: flex; gap: clamp(1.25rem, 0.4rem + 1.5vw, 2.25rem); margin-right: 1rem; }
  .menu-toggle { display: none; }
}

/* Mobiles Menü */
.menu {
  position: fixed;
  inset: 0;
  z-index: 15;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--header-h) + 1.5rem) var(--m) 2rem;
  background: var(--black);
  color: var(--paper);
  overflow-y: auto;
}
.menu[hidden] { display: none; }
.menu ul { list-style: none; }
.menu li a {
  display: block;
  padding: 0.5rem 0;
  font: 700 clamp(2rem, 1.4rem + 3vw, 3rem)/1.05 var(--font-display);
  letter-spacing: -0.03em;
  text-decoration: none;
}
.menu li + li { border-top: 1px solid var(--line); }
.menu li a[aria-current="page"]::before {
  content: "";
  display: inline-block;
  width: 0.35em;
  height: 0.35em;
  margin-right: 0.4em;
  vertical-align: 0.2em;
  background: var(--accent);
}
.menu-contact { margin-top: 2rem; font-size: var(--step-lead); line-height: 1.6; color: var(--muted-on-dark); }
.menu-contact a { text-decoration: none; }
body.menu-open .site-header { background: var(--black); }
body.menu-open { overflow: hidden; }

/* ---------- Anfrage-Pult: die sechs Fader des Logos ---------- */
.pult { margin: 0; padding: 0; border: 0; min-width: 0; }
.pult-legend {
  padding: 0;
  font: 700 var(--step-lead)/1.15 var(--font-display);
  letter-spacing: -0.015em;
}
.pult-hint { margin: 0.5rem 0 clamp(1.75rem, 1rem + 2vw, 2.75rem); color: var(--muted-on-dark); }
.pult-strips {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem var(--gap);
}
.strip {
  position: relative;
  display: grid;
  justify-items: start;
  align-content: start;
  gap: 0.3rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.strip-input { position: absolute; opacity: 0; width: 1px; height: 1px; /* taste-skill-ignore: versteckte Checkbox */ }
.strip-track {
  position: relative;
  width: 2.75rem;
  height: clamp(6.5rem, 4.5rem + 6vw, 10rem);
  margin-bottom: 0.75rem;
}
.strip-track::before {
  content: "";
  position: absolute;
  left: calc(50% - 1px);
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line-strong);
}
.strip-cap {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1.5rem;
  background: var(--raised);
  border: 1px solid var(--line-strong);
  transition: transform 320ms var(--ease-out), background-color var(--t-hover) ease, border-color var(--t-hover) ease;
}
.strip-cap::after {
  content: "";
  position: absolute;
  left: 20%;
  right: 20%;
  top: calc(50% - 1px);
  height: 2px;
  background: var(--paper);
  transition: background-color var(--t-hover) ease;
}
/* Hochgeschoben: Kappe oben, ein pinker Strich als Markierung */
.strip-input:checked + .strip-track .strip-cap {
  transform: translateY(calc(-1 * (clamp(6.5rem, 4.5rem + 6vw, 10rem) - 1.5rem)));
  background: var(--paper);
  border-color: var(--paper);
}
.strip-input:checked + .strip-track .strip-cap::after { background: var(--accent); }
.strip-input:focus-visible + .strip-track { outline: 2px solid var(--paper); outline-offset: 6px; }
.strip-label { font-weight: 600; line-height: 1.2; }
.strip-desc { font-size: var(--step-small); line-height: 1.35; color: var(--muted-on-dark); }
@media (hover: hover) and (pointer: fine) {
  .strip:hover .strip-input:not(:checked) + .strip-track .strip-cap { transform: translateY(-0.4rem); border-color: var(--paper); }
}
.pult-summary { min-height: 1.6em; margin-top: 1.75rem; color: var(--muted-on-dark); }
@media (min-width: 48em) {
  .pult-strips { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

/* ---------- FAQ: ruhige Liste mit Trennlinien ---------- */
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.75rem;
  padding: 1.1rem 0;
  font-weight: 600;
  line-height: 1.35;
  cursor: pointer;
  list-style: none;
  transition: color var(--t-hover) ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.plus { position: relative; width: 0.9rem; height: 0.9rem; flex: none; }
.plus::before,
.plus::after {
  content: "";
  position: absolute;
  left: 0;
  top: calc(50% - 1px);
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform var(--t-ui) var(--ease-out), background-color var(--t-hover) ease;
}
.plus::after { transform: rotate(90deg); }
.faq-item[open] .plus::after { transform: rotate(0deg); }
.faq-item[open] .plus::before,
.faq-item[open] .plus::after { background: var(--accent); }
.faq-answer { padding: 0 0 1.75rem; max-width: 56ch; color: var(--muted-on-dark); }
.faq-answer a { color: var(--paper); font-weight: 600; }
@media (hover: hover) and (pointer: fine) {
  .faq-item summary:hover { color: #fff; }
}

/* ---------- Formular (dunkel) ---------- */
.form { display: grid; gap: 1.75rem; }
.field { display: grid; gap: 0.5rem; }
.field label { font-weight: 600; }
.field .req { font-weight: 400; color: var(--muted-on-dark); }
.field input,
.field textarea {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--grey);
  color: var(--paper);
  font: 400 var(--step-body)/1.45 var(--font-text);
  transition: border-color var(--t-hover) ease, background-color var(--t-hover) ease;
}
.field textarea { min-height: 10rem; resize: vertical; }
.field input:focus,
.field textarea:focus { outline: none; border-color: var(--paper); background: var(--raised); }
.field input:focus-visible,
.field textarea:focus-visible { outline: 2px solid var(--paper); outline-offset: 2px; }
.field-help { font-size: var(--step-small); color: var(--muted-on-dark); }
.field-error { font-size: var(--step-small); font-weight: 600; color: var(--danger); }
.field.has-error input,
.field.has-error textarea { border-color: var(--danger); }
.form-row { display: grid; gap: 1.75rem; }
@media (min-width: 48em) {
  .form-row { grid-template-columns: 1fr 1fr; }
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; /* taste-skill-ignore: Honeypot */ overflow: hidden; }
.form-note { color: var(--muted-on-dark); max-width: 60ch; }
.form-note a { color: var(--paper); font-weight: 600; }
.notice {
  padding: 1.5rem 1.75rem;
  border-left: 3px solid var(--accent);
  background: var(--grey);
  color: var(--paper);
}
.notice h2 { font-size: var(--step-lead); line-height: 1.15; margin-bottom: 0.5rem; letter-spacing: -0.015em; }
.notice ul { margin-top: 0.5rem; padding-left: 1.2rem; }
.notice a { font-weight: 600; }
.notice-error { border-left-color: var(--danger); }
.notice:focus { outline: 2px solid var(--paper); outline-offset: 3px; }
.btn[disabled] { opacity: 0.6; cursor: progress; }

/* ---------- Fußzeile ---------- */
.site-footer {
  background: var(--black);
  color: var(--paper);
  padding: clamp(4rem, 2rem + 6vw, 8rem) var(--m) 2rem;
  border-top: 1px solid var(--line);
}
.footer-mark svg { width: 100%; height: clamp(6rem, 18svh, 11rem); }
.footer-mark .rail { fill: var(--raised); }
.footer-mark .cap { fill: var(--grey); }
.footer-mark .cap[data-cap="3"] { fill: var(--accent); }
.footer-grid {
  display: grid;
  gap: 2.5rem var(--gap);
  margin-top: clamp(3rem, 2rem + 3vw, 5rem);
  grid-template-columns: repeat(12, minmax(0, 1fr));
}
.footer-grid > * { grid-column: 1 / -1; }
.footer-name { font: 700 var(--step-lead)/1 var(--font-display); letter-spacing: -0.015em; }
.footer-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem var(--gap); }
.footer-links a,
.footer-address a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--muted-on-dark);
  text-decoration: none;
  transition: color var(--t-hover) ease;
}
.footer-links a:hover,
.footer-address a:hover { color: var(--paper); }
.footer-address { line-height: 1.7; color: var(--muted-on-dark); }
.footer-address a { min-height: 0; padding: 0.3rem 0; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: var(--step-small);
  color: var(--muted-on-dark);
}
@media (min-width: 64em) {
  .footer-name { grid-column: 1 / span 3; }
  .footer-links { grid-column: 4 / span 6; grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .footer-address { grid-column: 10 / span 3; }
}