/* ============================================================
   qfloow — Unterseite KI-Filmproduktion (/ki-filmproduktion)
   Eigene Klassen (kf-*), Tokens aus tokens.css.
   FAQ nutzt die bestehenden mk-faq-Klassen (Accordion in main.js).
   ============================================================ */

/* ---------- Nav ---------- */
.kf-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}
.kf-nav__inner {
  max-width: var(--container-max); margin: 0 auto; padding: 0 32px;
  height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.kf-nav__brand img { height: 26px; width: auto; display: block; }
.kf-nav__links { display: flex; gap: 28px; font-size: var(--text-sm); font-weight: var(--weight-semibold); }
.kf-nav__links a { color: var(--neutral-600); text-decoration: none; transition: color var(--dur-base) var(--ease-out); }
.kf-nav__links a:hover { color: var(--brand); }

/* ---------- Hero ---------- */
.kf-hero { position: relative; overflow: hidden; background: var(--ink); }
.kf-hero__bg {
  position: absolute; inset: 0;
  background-image: url("../assets/ki-film/ki-hero-bg.webp");
  background-size: cover; background-position: center;
}
.kf-hero__shade {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(100deg, rgba(10,13,18,0.96) 0%, rgba(10,13,18,0.82) 40%, rgba(8,20,45,0.42) 75%, rgba(8,20,45,0.3) 100%);
}
.kf-hero__watermark {
  position: absolute; right: -180px; top: -140px; width: 620px;
  opacity: 0.06; pointer-events: none;
}
.kf-hero__inner {
  position: relative; max-width: var(--container-max); margin: 0 auto;
  padding: 88px 32px 96px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 64px; align-items: center;
}
.kf-hero__copy { display: flex; flex-direction: column; gap: 24px; }
.kf-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--text-xs); font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--brand);
}
.kf-eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.kf-eyebrow--light { color: var(--blue-300); }
.kf-hero__title {
  margin: 0; font-family: var(--font-display); font-weight: var(--weight-extra);
  font-size: clamp(38px, 4.6vw, 62px); line-height: 1.1;
  letter-spacing: var(--tracking-tighter); color: var(--white);
}
.kf-hero__title em { font-style: normal; color: var(--blue-300); }
.kf-hero__lead { margin: 0; font-size: var(--text-md); line-height: 1.65; color: rgba(255,255,255,0.78); max-width: 520px; text-wrap: pretty; }
.kf-hero__lead strong { color: var(--white); }
.kf-hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.kf-hero__note { margin: 0; font-size: var(--text-sm); color: rgba(255,255,255,0.6); }

/* Hero-Statuskarte */
.kf-hero__cardwrap { display: flex; justify-content: center; min-width: 0; }
.kf-procard {
  background: var(--surface-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl); box-shadow: var(--shadow-lg);
  padding: 24px; width: 100%; max-width: 400px;
  display: flex; flex-direction: column; gap: 18px;
}
.kf-procard__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.kf-procard__title { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: var(--weight-bold); font-size: var(--text-base); color: var(--text-primary); }
.kf-procard__title .qi { color: var(--brand); }
.kf-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--text-2xs); font-weight: var(--weight-bold);
  color: var(--success); background: var(--success-subtle);
  border: 1px solid rgba(15,125,79,0.25); border-radius: var(--radius-full); padding: 3px 10px;
}
.kf-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.kf-procard__steps { display: flex; flex-direction: column; gap: 10px; }
.kf-prostep {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px;
  border-radius: var(--radius-md); background: var(--neutral-50);
}
.kf-prostep__icon {
  width: 28px; height: 28px; border-radius: 8px; flex: none;
  background: var(--brand-subtle); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
}
.kf-prostep__label { font-size: var(--text-sm); font-weight: var(--weight-semibold); flex: 1; color: var(--text-primary); }
.kf-prostep__meta { font-family: var(--font-mono); font-size: var(--text-2xs); color: var(--text-tertiary); }
.kf-prostep--active { background: var(--brand-subtle); border: 1px solid var(--brand-border); }
.kf-prostep--active .kf-prostep__icon { background: var(--brand); color: var(--white); }
.kf-prostep--active .kf-prostep__label,
.kf-prostep--active .kf-prostep__meta { color: var(--brand); font-weight: var(--weight-bold); }
.kf-prostep--pending { opacity: 0.65; }
.kf-prostep--pending .kf-prostep__icon { background: var(--neutral-150); color: var(--neutral-500); }
.kf-procard__foot {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  border-top: 1px solid var(--border-subtle); padding-top: 14px;
  font-size: var(--text-xs); color: var(--text-tertiary);
}
.kf-procard__foot span { display: flex; align-items: center; gap: 6px; }

/* ---------- Filmstreifen ---------- */
.kf-strip { background: var(--ink); padding: 0 32px 88px; overflow: hidden; }
.kf-strip__inner { max-width: var(--container-max); margin: 0 auto; display: flex; flex-direction: column; gap: 28px; }
.kf-strip__head { display: flex; align-items: center; gap: 16px; }
.kf-strip__label {
  font-size: var(--text-xs); font-weight: var(--weight-bold);
  letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.55); white-space: nowrap;
}
.kf-strip__line { flex: 1; height: 1px; background: rgba(255,255,255,0.12); }
.kf-strip__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px; align-items: center;
}
.kf-still { display: flex; flex-direction: column; gap: 10px; }
.kf-still:nth-child(1) { transform: rotate(-1.5deg); }
.kf-still:nth-child(2) { transform: rotate(1deg) translateY(10px); }
.kf-still:nth-child(3) { transform: rotate(-1deg); }
.kf-still:nth-child(4) { transform: rotate(1.5deg) translateY(8px); }
.kf-still__frame {
  position: relative; aspect-ratio: 16 / 9; border-radius: 12px; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 20px 40px -16px rgba(0,0,0,0.6);
}
.kf-still__frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.kf-still__caption { font-family: var(--font-mono); font-size: var(--text-2xs); color: rgba(255,255,255,0.45); text-align: center; }

/* ---------- Vertrauensleiste ---------- */
.kf-trustbar { background: var(--neutral-50); border-bottom: 1px solid var(--border-subtle); }
.kf-trustbar__inner {
  max-width: var(--container-max); margin: 0 auto; padding: 18px 32px;
  display: flex; gap: 18px 40px; justify-content: center; flex-wrap: wrap;
  font-size: var(--text-sm); font-weight: var(--weight-semibold); color: var(--neutral-600);
}
.kf-trustbar__inner span { display: flex; align-items: center; gap: 8px; }
.kf-trustbar__inner .qi { color: var(--brand); }

/* ---------- Sektionen allgemein ---------- */
.kf-section { padding: 96px 32px; background: var(--white); }
.kf-section--tinted { background: var(--neutral-50); border-top: 1px solid var(--border-subtle); }
.kf-section--dark { background: var(--ink); padding: 88px 32px; }
.kf-section__inner { max-width: var(--container-max); margin: 0 auto; display: flex; flex-direction: column; gap: 48px; }
.kf-section__head { display: flex; flex-direction: column; gap: 16px; max-width: 680px; }
.kf-section__head--center { align-items: center; text-align: center; margin: 0 auto; }
.kf-h2 {
  margin: 0; font-family: var(--font-display); font-weight: var(--weight-bold);
  font-size: clamp(28px, 3.2vw, var(--text-3xl)); line-height: 1.2; letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}
.kf-lead { margin: 0; font-size: var(--text-md); line-height: 1.65; color: var(--text-secondary); text-wrap: pretty; }
.kf-lead strong { color: var(--text-primary); }

/* ---------- Was ist ein KI-Film ---------- */
.kf-explain {
  max-width: var(--container-max); margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 64px; align-items: center;
}
.kf-explain__copy { display: flex; flex-direction: column; gap: 20px; }
.kf-explain__points { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.kf-point {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--neutral-50); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 20px 22px;
}
.kf-point__icon {
  width: 40px; height: 40px; border-radius: var(--radius-md); flex: none;
  background: var(--brand-subtle); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
}
.kf-point__body { display: flex; flex-direction: column; gap: 4px; }
.kf-point__body strong { font-size: var(--text-base); color: var(--text-primary); }
.kf-point__body span { font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.55; }

/* ---------- Beispiel-Videos ---------- */
.kf-videos { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.kf-video { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.kf-video__frame {
  position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-lg);
  overflow: hidden; background: var(--ink); box-shadow: var(--shadow-md);
}
.kf-video__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.kf-video__poster { position: absolute; inset: 0; cursor: pointer; border: 0; padding: 0; background: transparent; width: 100%; }
.kf-video__thumb { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.kf-video__poster::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,13,18,0) 55%, rgba(10,13,18,0.45) 100%);
}
.kf-video__play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 1;
}
.kf-video__play span {
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(255,255,255,0.94); box-shadow: var(--shadow-md); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--dur-base) var(--ease-out);
}
.kf-video__poster:hover .kf-video__play span,
.kf-video__poster:focus-visible .kf-video__play span { transform: scale(1.08); }
.kf-video__poster:focus-visible { outline: none; }
.kf-video__poster:focus-visible .kf-video__play span { box-shadow: var(--ring); }
.kf-video__info { display: flex; flex-direction: column; gap: 2px; }
.kf-video__info strong { font-size: var(--text-sm); color: var(--text-primary); }
.kf-video__info span { font-size: var(--text-xs); color: var(--text-tertiary); }

/* ---------- Vorteile ---------- */
.kf-benefits { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.kf-benefit {
  background: var(--surface-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 28px;
  display: flex; flex-direction: column; gap: 14px; box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.kf-benefit:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.kf-benefit__icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: var(--brand-subtle); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
}
.kf-benefit h3 { margin: 0; font-family: var(--font-display); font-weight: var(--weight-bold); font-size: var(--text-md); letter-spacing: var(--tracking-tight); color: var(--text-primary); }
.kf-benefit p { margin: 0; font-size: var(--text-sm); line-height: 1.6; color: var(--text-secondary); }

/* ---------- Vergleich ---------- */
.kf-compare { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; align-items: stretch; }
.kf-compare__card {
  background: var(--surface-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl); padding: 32px;
  display: flex; flex-direction: column; gap: 20px;
}
.kf-compare__card h3 { margin: 0; font-family: var(--font-display); font-weight: var(--weight-bold); font-size: var(--text-lg); color: var(--text-secondary); }
.kf-compare__card--best { border: 2px solid var(--brand); box-shadow: 0 12px 32px -12px rgba(0,74,173,0.25); position: relative; }
.kf-compare__card--best h3 { color: var(--brand); }
.kf-compare__flag {
  position: absolute; top: -12px; left: 32px;
  background: var(--brand); color: var(--white);
  font-size: var(--text-2xs); font-weight: var(--weight-bold);
  letter-spacing: 0.06em; text-transform: uppercase;
  border-radius: var(--radius-full); padding: 4px 12px;
}
.kf-compare__list { display: flex; flex-direction: column; gap: 14px; font-size: var(--text-sm); color: var(--text-secondary); }
.kf-compare__card--best .kf-compare__list { color: var(--text-primary); }
.kf-compare__list span { display: flex; gap: 10px; align-items: center; }
.kf-compare__list .qi { flex: none; }
.kf-compare__list .is-con { color: var(--neutral-400); }
.kf-compare__list .is-pro { color: var(--success); }

/* ---------- Ablauf ---------- */
.kf-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.kf-step {
  background: var(--surface-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
}
.kf-step__top { display: flex; align-items: center; justify-content: space-between; }
.kf-step__icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: var(--brand-subtle); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
}
.kf-step__num { font-family: var(--font-mono); font-size: var(--text-xl); font-weight: var(--weight-bold); color: var(--neutral-200); }
.kf-step h3 { margin: 0; font-family: var(--font-display); font-weight: var(--weight-bold); font-size: var(--text-md); color: var(--text-primary); }
.kf-step p { margin: 0; font-size: var(--text-sm); line-height: 1.6; color: var(--text-secondary); }

/* ---------- Zahlenband ---------- */
.kf-stats {
  max-width: var(--container-max); margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 48px; align-items: center;
}
.kf-stats__copy { display: flex; flex-direction: column; gap: 16px; }
.kf-stats__copy .kf-h2 { color: var(--white); }
.kf-stats__copy p { margin: 0; font-size: var(--text-base); line-height: 1.65; color: var(--text-on-dark-soft); }
.kf-stats__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.kf-stat { border: 1px solid var(--border-inverse); border-radius: var(--radius-lg); padding: 24px; display: flex; flex-direction: column; gap: 6px; }
.kf-stat__value {
  font-family: var(--font-mono); font-size: var(--text-3xl); font-weight: var(--weight-bold);
  color: var(--white); font-feature-settings: "tnum" 1; line-height: 1.1;
}
.kf-stat__value small { font-size: var(--text-lg); color: var(--blue-300); font-weight: var(--weight-bold); }
.kf-stat__label { font-size: var(--text-sm); color: var(--text-on-dark-soft); }

/* ---------- Abschluss-CTA ---------- */
.kf-cta { background: var(--neutral-50); padding: 0 32px 96px; }
.kf-cta__panel {
  max-width: var(--container-max); margin: 0 auto;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  border-radius: var(--radius-2xl);
  padding: clamp(40px, 6vw, 72px) clamp(24px, 5vw, 64px);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 24px;
  box-shadow: 0 24px 48px -24px rgba(0,74,173,0.5);
}
.kf-cta__watermark { position: absolute; right: -100px; bottom: -120px; width: 380px; opacity: 0.08; pointer-events: none; }
.kf-cta__title {
  margin: 0; font-family: var(--font-display); font-weight: var(--weight-extra);
  font-size: clamp(30px, 3.4vw, 44px); line-height: 1.15; letter-spacing: var(--tracking-tighter);
  color: var(--white); max-width: 640px; position: relative;
}
.kf-cta__btn {
  display: inline-flex; align-items: center; gap: 10px; position: relative;
  background: var(--white); color: var(--blue-700);
  font-weight: var(--weight-bold); font-size: var(--text-base); font-family: var(--font-sans);
  border-radius: var(--radius-md); padding: 14px 28px; box-shadow: var(--shadow-md);
  text-decoration: none; transition: background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
.kf-cta__btn:hover { background: var(--neutral-50); color: var(--blue-800); }
.kf-cta__note { font-size: var(--text-xs); color: rgba(255,255,255,0.65); position: relative; }

/* ---------- Footer ---------- */
.kf-footer { background: var(--ink); padding: 48px 32px; }
.kf-footer__inner {
  max-width: var(--container-max); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.kf-footer__inner img { height: 22px; width: auto; }
.kf-footer__links { display: flex; gap: 24px; font-size: var(--text-sm); flex-wrap: wrap; }
.kf-footer__links a { color: var(--text-on-dark-soft); text-decoration: none; }
.kf-footer__links a:hover { color: var(--white); }
.kf-footer__copy { font-size: var(--text-xs); color: var(--neutral-500); }

/* ---------- FAQ-Breite auf dieser Seite ---------- */
.kf-faq { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 40px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .kf-nav__links { display: none; }
  .kf-hero__inner { padding: 56px 20px 64px; gap: 40px; }
  .kf-strip { padding: 0 20px 64px; }
  .kf-section { padding: 64px 20px; }
  .kf-section--dark { padding: 64px 20px; }
  .kf-cta { padding: 0 20px 64px; }
  .kf-footer { padding: 40px 20px; }
  .kf-nav__inner { padding: 0 20px; }
  .kf-trustbar__inner { padding: 16px 20px; gap: 12px 24px; }
  .kf-explain { gap: 40px; }
  .kf-stats { gap: 32px; }
  .kf-still:nth-child(n) { transform: none; }
  /* Filmstreifen mobil: 2×2-Raster statt langer Einzelspalte */
  .kf-strip__grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .kf-still { gap: 6px; }
  .kf-still__frame { border-radius: 8px; }
  .kf-still__caption { font-size: 9px; letter-spacing: 0.02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}
@media (max-width: 400px) {
  .kf-hero__actions .qf-btn { width: 100%; }
}