/* ============================================================
   Blatný & Zavadil — Motion & Microinteractions
   ============================================================
   Single shared easing language: cubic-bezier(.7, 0, .2, 1)
   Hover: 220–460ms · Entry: 600–1200ms · Ambient: 8s+
   All motion respects prefers-reduced-motion.
   ============================================================ */

:root {
  --bz-ease-mo:  cubic-bezier(0.7, 0, 0.2, 1);   /* primary motion ease */
  --bz-ease-out-mo: cubic-bezier(0.16, 1, 0.3, 1);
  --bz-ease-soft: cubic-bezier(0.77, 0, 0.18, 1);
}

/* =========================================================
   01 — DIRECTIONAL UNDERLINE (header nav, footer links)
   linka mizí doprava, vrací se zleva
   ========================================================= */
.bz-link {
  position: relative;
  display: inline-block;
  padding-bottom: 4px;
  text-decoration: none;
  border: 0 !important;
  color: inherit;
  transition: color 240ms var(--bz-ease-mo);
}
.bz-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 1px; width: 100%;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 360ms var(--bz-ease-mo);
}
.bz-link:hover::after,
.bz-link.is-active::after {
  transform: scaleX(1);
  transform-origin: left center;
}

/* =========================================================
   02 — BUTTON FILL-UP + ARROW SHIFT (primary CTA)
   bílá vrstva přejede zdola, šipka se posune doprava
   ========================================================= */
.bz-btn-mo {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.bz-btn-mo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bz-fill, #fff);
  transform: translateY(101%);
  transition: transform 420ms var(--bz-ease-mo);
  z-index: 0;
}
.bz-btn-mo:hover::before {
  transform: translateY(0);
}
.bz-btn-mo > * {
  position: relative;
  z-index: 1;
  transition: color 280ms var(--bz-ease-mo);
}
.bz-btn-mo:hover {
  color: var(--bz-fill-fg, var(--bz-ink)) !important;
}
.bz-btn-mo:hover > * {
  color: var(--bz-fill-fg, var(--bz-ink)) !important;
}
.bz-btn-mo .bz-btn-arrow {
  display: inline-flex;
  transition: transform 380ms var(--bz-ease-mo);
}
.bz-btn-mo:hover .bz-btn-arrow {
  transform: translateX(4px);
}

/* =========================================================
   03 — CARD HOVER (image scale + arrow reveal)
   foto se decentně přiblíží, šipka se posune
   ========================================================= */
.bz-card-mo {
  cursor: pointer;
}
.bz-card-mo .bz-card-img {
  transition: transform 700ms var(--bz-ease-mo);
  will-change: transform;
}
.bz-card-mo:hover .bz-card-img {
  transform: scale(1.04);
}
.bz-card-mo .bz-card-arrow {
  display: inline-flex;
  transition: transform 380ms var(--bz-ease-mo);
}
.bz-card-mo:hover .bz-card-arrow {
  transform: translate(3px, -3px);
}

/* =========================================================
   04 — FLOATING LABEL FORM FIELD
   label se posune nahoru při focusu, podtržítko nakreslí zleva
   ========================================================= */
.bz-float {
  position: relative;
  padding-top: 22px;
}
.bz-float input,
.bz-float textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--bz-mist);
  background: transparent;
  padding: 8px 0;
  font-family: var(--bz-font-sans);
  font-size: 16px;
  color: var(--bz-ink);
  outline: none;
  resize: none;
  transition: border-color 220ms var(--bz-ease-mo);
}
.bz-float .bz-float-line {
  position: absolute;
  bottom: 0; left: 0;
  height: 1px; width: 100%;
  background: var(--bz-ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 360ms var(--bz-ease-mo);
}
  position: absolute;
  bottom: 0; left: 0;
  height: 1px; width: 100%;
  background: var(--bz-ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 360ms var(--bz-ease-mo);
}
.bz-float input:focus ~ .bz-float-line,
.bz-float textarea:focus ~ .bz-float-line {
  transform: scaleX(1);
}
.bz-float .bz-float-label {
  position: absolute;
  left: 0; top: 30px;
  font-family: var(--bz-font-sans);
  font-size: 15px;
  color: var(--bz-ash);
  pointer-events: none;
  transition: top 240ms var(--bz-ease-mo),
              font-size 240ms var(--bz-ease-mo),
              font-family 240ms var(--bz-ease-mo),
              letter-spacing 240ms var(--bz-ease-mo),
              text-transform 240ms var(--bz-ease-mo),
              color 240ms var(--bz-ease-mo);
}
.bz-float.is-filled .bz-float-label,
.bz-float:focus-within .bz-float-label {
  top: 0;
  font-size: 11px;
  font-family: var(--bz-font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--bz-ink);
}

/* =========================================================
   05 — HEADLINE WORD-BY-WORD REVEAL
   slova se zvedají zdola, 60ms stagger
   ========================================================= */
.bz-words {
  display: inline-block;
}
.bz-words .bz-word {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
}
.bz-words .bz-word > span {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  transition:
    transform 800ms var(--bz-ease-out-mo),
    opacity 600ms var(--bz-ease-out-mo);
}
.bz-words.is-in .bz-word > span {
  transform: translateY(0);
  opacity: 1;
  transition-delay: var(--bz-word-delay, 0ms);
}

/* =========================================================
   06 — IMAGE CLIP-UP REVEAL
   bílý závěs zdola nahoru
   ========================================================= */
.bz-clip {
  position: relative;
  overflow: hidden;
}
.bz-clip::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bz-clip-fill, var(--bz-page));
  transform: translateY(0);
  transition: transform 1200ms var(--bz-ease-soft);
  z-index: 2;
  pointer-events: none;
}
.bz-clip.is-in::after {
  transform: translateY(-101%);
}
.bz-clip > img,
.bz-clip > .bz-clip-inner {
  transform: scale(1.05);
  transition: transform 8s ease-out;
}
.bz-clip.is-in > img,
.bz-clip.is-in > .bz-clip-inner {
  transform: scale(1.0);
}

/* =========================================================
   07 — SECTION HAIRLINE DRAW (kreslí se zleva)
   ========================================================= */
.bz-hair {
  position: relative;
  height: 1px;
  width: 100%;
  background: transparent;
}
.bz-hair::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bz-ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 640ms var(--bz-ease-mo);
}
.bz-hair.is-in::before {
  transform: scaleX(1);
}

/* generic fade-up reveal (eyebrow, lede, paragraphs) */
.bz-fade-up {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 600ms var(--bz-ease-out-mo),
    transform 600ms var(--bz-ease-out-mo);
  transition-delay: var(--bz-fade-delay, 0ms);
}
.bz-fade-up.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   08 — BURGER ↔ X MORPH
   prostřední čára fade out, vnější rotace ±45°
   ========================================================= */
.bz-burger {
  display: inline-flex;
  width: 22px;
  height: 22px;
  position: relative;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.bz-burger span {
  position: absolute;
  left: 2px; right: 2px;
  height: 1.5px;
  background: var(--bz-ink);
  transition:
    transform 320ms var(--bz-ease-mo),
    opacity 200ms var(--bz-ease-mo),
    top 320ms var(--bz-ease-mo);
}
.bz-burger span:nth-child(1) { top: 6px; }
.bz-burger span:nth-child(2) { top: 11px; }
.bz-burger span:nth-child(3) { top: 16px; }
.bz-burger.is-open span:nth-child(1) {
  top: 11px;
  transform: rotate(45deg);
}
.bz-burger.is-open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.bz-burger.is-open span:nth-child(3) {
  top: 11px;
  transform: rotate(-45deg);
}

/* =========================================================
   09 — PILLAR NUMBER SPLIT-FLAP
   protočí se 9→0→cílové číslo
   ========================================================= */
.bz-tick {
  display: inline-block;
  height: 1em;
  overflow: hidden;
  vertical-align: bottom;
  line-height: 1;
}
.bz-tick .bz-tick-roll {
  display: flex;
  flex-direction: column;
  transition: transform 1600ms var(--bz-ease-out-mo);
}
.bz-tick .bz-tick-roll > span {
  height: 1em;
  display: flex;
  align-items: flex-start;
  line-height: 1;
}

/* =========================================================
   10 — FOOTER MARQUEE
   ========================================================= */
.bz-marquee {
  overflow: hidden;
  white-space: nowrap;
  width: 100%;
}
.bz-marquee .bz-marquee-track {
  display: inline-flex;
  gap: 48px;
  animation: bzMarquee 36s linear infinite;
  align-items: center;
}
.bz-marquee:hover .bz-marquee-track {
  animation-play-state: paused;
}
@keyframes bzMarquee {
  to { transform: translateX(-50%); }
}

/* =========================================================
   11 — BOOKING STEP-PROGRESS LINE DRAW
   ========================================================= */
.bz-step-line {
  position: relative;
  height: 2px;
  width: 100%;
  background: var(--bz-mist);
}
.bz-step-line::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bz-ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 460ms var(--bz-ease-mo);
}
.bz-step-line.is-done::before { transform: scaleX(1); }
.bz-step-line.is-current::before { transform: scaleX(1); }

/* step content crossfade between steps */
.bz-step-content {
  animation: bzStepFade 280ms var(--bz-ease-mo) both;
}
@keyframes bzStepFade {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   13 — SCROLL INDICATOR BOB (Academy hero)
   eyebrow stays still, only the arrow glyph bobs gently
   ========================================================= */
.bz-scroll-bob .bz-scroll-arrow {
  display: inline-block;
  margin-left: 6px;
  animation: bzScrollBob 2.4s var(--bz-ease-mo) infinite;
}
@keyframes bzScrollBob {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50%      { transform: translateY(4px); opacity: 0.55; }
}

/* =========================================================
   14 — BOOKING SHEET MOBILE OVERRIDES
   ========================================================= */
@media (max-width: 600px) {
  .bz-book-services-row {
    grid-template-columns: 28px 1fr !important;
    gap: 12px !important;
  }
  .bz-book-services-row .bz-book-svc-dur,
  .bz-book-services-row .bz-book-svc-price {
    grid-column: 2 / 3;
    text-align: left !important;
    min-width: 0 !important;
  }
  .bz-book-services-row .bz-book-svc-dur { margin-top: 8px; }
  .bz-book-contact-grid { grid-template-columns: 1fr !important; }
  .bz-book-slot-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)) !important; }
  .bz-book-footer-summary { display: none !important; }
  .bz-book-mode-grid { grid-template-columns: 1fr !important; }
  .bz-book-team-grid { grid-template-columns: 1fr !important; }
  .bz-book-summary-row { grid-template-columns: 90px 1fr !important; gap: 12px !important; }
}

/* =========================================================
   12 — CURSOR TRAIL (Akademie hero)
   render handled in JS; this is the dot styling
   ========================================================= */
.bz-cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--bz-ink);
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 280ms var(--bz-ease-mo);
}
.bz-cursor-dot.is-on { opacity: 1; }

/* =========================================================
   PREFERS-REDUCED-MOTION — nuke all motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0ms !important;
  }
  .bz-words .bz-word > span { transform: none !important; opacity: 1 !important; }
  .bz-clip::after { transform: translateY(-101%) !important; }
  .bz-clip > img, .bz-clip > .bz-clip-inner { transform: none !important; }
  .bz-fade-up { opacity: 1 !important; transform: none !important; }
  .bz-hair::before { transform: scaleX(1) !important; }
  .bz-marquee .bz-marquee-track { animation: none !important; }
  .bz-cursor-dot { display: none !important; }
  .bz-scroll-bob .bz-scroll-arrow { animation: none !important; }
}