/* ============================================================
   Prodifystudio — Projekt-Check (/anfrage)
   Mobile-first Fragebogen in SQSP-DNA: Weiß/Schwarz, Inter 300,
   Serif-Eyebrow, kantige Karten, eine Frage pro Screen.
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --ink: #000;
  --paper: #fff;
  --mute: rgba(0, 0, 0, 0.55);
  --hair: rgba(0, 0, 0, 0.16);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", -apple-system, "Segoe UI", sans-serif;
  font-weight: 300;
  font-size: 1.04rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}
::selection { background: #000; color: #fff; }

/* ---------- Kopf + Fortschritt ---------- */
.top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 1.15rem clamp(1.25rem, 4vw, 3rem) 1rem;
}
.top__brand { color: var(--ink); text-decoration: none; font-weight: 500; letter-spacing: -0.01em; font-size: 1.02rem; }
.top__hint { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.11em; color: var(--mute); }

.progress { height: 2px; background: rgba(0, 0, 0, 0.09); }
.progress i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--ink);
  transition: width 0.5s var(--ease);
}

/* ---------- Bühne ---------- */
.stage {
  flex: 1;
  display: grid;
  align-content: start;
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  padding: clamp(1.8rem, 5vh, 4rem) clamp(1.25rem, 4vw, 2rem) 1rem;
  position: relative;
}

.step { grid-area: 1 / 1; visibility: hidden; }
.step.is-on { visibility: visible; }
html:not(.rm) .step.is-on { animation: stepIn 0.5s var(--ease) both; }
html:not(.rm) .step.is-out { visibility: visible; animation: stepOut 0.3s ease both; pointer-events: none; }
@keyframes stepIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes stepOut { from { opacity: 1; transform: none; } to { opacity: 0; transform: translateY(-14px); } }

.step__eyebrow {
  font-family: "Source Serif 4", Georgia, serif;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--mute);
  margin-bottom: 0.7rem;
}
.step__q {
  font-size: clamp(1.7rem, 5.4vw, 2.7rem);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin-bottom: 0.55rem;
}
.step__hint { color: var(--mute); font-size: 0.92rem; margin-bottom: 1.6rem; }

/* ---------- Antwort-Karten ---------- */
.opts { display: grid; gap: 0.7rem; margin-top: 1.4rem; }
.opt {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  width: 100%;
  text-align: left;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 0;
  padding: 1.02rem 1.15rem;
  font: inherit;
  font-weight: 400;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
  min-height: 54px;
}
@media (hover: hover) {
  .opt:hover { border-color: var(--ink); transform: translateX(4px); }
}
.opt:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.opt.is-sel { border-color: var(--ink); background: var(--ink); color: #fff; }
.opt__tick {
  width: 18px; height: 18px; flex: none;
  border: 1px solid currentColor; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 0.62rem; line-height: 1;
}
.opt.is-sel .opt__tick::after { content: "✓"; }

/* Stil-Frage: Bild-Karten */
.opts--img { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
@media (min-width: 640px) { .opts--img { grid-template-columns: repeat(3, 1fr); } }
.opt--img { flex-direction: column; align-items: stretch; padding: 0; overflow: hidden; gap: 0; }
.opt--img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; filter: grayscale(0.12); transition: transform 0.45s var(--ease); }
@media (hover: hover) { .opt--img:hover { transform: none; } .opt--img:hover img { transform: scale(1.045); } }
.opt--img span { display: flex; align-items: center; gap: 0.6rem; padding: 0.75rem 0.85rem; font-size: 0.88rem; }
.opt--img.is-sel img { filter: none; }

/* Bedingtes URL-Feld */
.opt-extra { margin-top: 0.9rem; }
.opt-extra[hidden] { display: none; }

/* ---------- Formularfelder (letzter Schritt) ---------- */
.field { display: block; margin-bottom: 1.05rem; }
.field span {
  display: block;
  font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--mute); margin-bottom: 0.4rem;
}
.field input {
  width: 100%;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.24);
  border-radius: 0;
  font: inherit; font-weight: 300;
  color: var(--ink);
  padding: 0.88rem 1rem;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  -webkit-appearance: none;
}
.field input::placeholder { color: rgba(0, 0, 0, 0.35); }
.field input:focus-visible { outline: none; border-color: var(--ink); box-shadow: 0 0 0 1px var(--ink); }

.summary {
  font-family: "Source Serif 4", Georgia, serif;
  font-style: italic;
  color: var(--mute);
  border-left: 2px solid var(--ink);
  padding: 0.35rem 0 0.35rem 1rem;
  margin: 0 0 1.6rem;
}

/* ---------- Buttons / Leisten ---------- */
.next {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--ink);
  border-radius: 0;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1rem 1.7rem;
  cursor: pointer;
  margin-top: 1.6rem;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), opacity 0.2s;
}
.next:hover { background: #fff; color: var(--ink); }
.next[disabled] { opacity: 0.45; pointer-events: none; }
.next:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.stepline {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  padding: 0.8rem clamp(1.25rem, 4vw, 2rem) calc(1.4rem + env(safe-area-inset-bottom));
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
}
.stepline__back {
  background: none; border: 0; font: inherit; color: var(--ink);
  cursor: pointer; padding: 0.4rem 0; letter-spacing: inherit; text-transform: inherit;
  border-bottom: 1px solid transparent;
}
.stepline__back:hover { border-bottom-color: currentColor; }

.status { margin-top: 1rem; font-size: 0.9rem; color: var(--mute); }
.status a { color: var(--ink); }

/* ---------- Danke ---------- */
.done__mark {
  width: 58px; height: 58px;
  border: 1px solid rgba(0, 0, 0, 0.35); border-radius: 50%;
  display: grid; place-items: center;
  font-size: 1.4rem; margin-bottom: 1.5rem;
}
.done h1 { font-size: clamp(1.8rem, 5.4vw, 2.6rem); font-weight: 300; letter-spacing: -0.04em; margin-bottom: 0.8rem; }
.done p { color: var(--mute); max-width: 48ch; margin-bottom: 1.6rem; }
.done a { color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  .progress i, .opt, .opt--img img, .next { transition: none; }
  html:not(.rm) .step.is-on, html:not(.rm) .step.is-out { animation: none; }
}