/* Sdílené prvky pro podstránky (Aktuality, Galerie, O nás, Trenéři) */

:root {
  --blue: #2F67A8;
  --dark: rgb(44, 44, 44);
  --grey-bg: #F2F2F2;
  --grey-text: rgb(126, 126, 126);
  --text: rgb(51, 51, 51);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: clip;
}

/* REVEAL ANIMACE (zpožďení nastavuje animation.js) */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  filter: blur(4px);
  transition:
    opacity 0.9s var(--ease),
    transform 0.9s var(--ease),
    filter 0.9s var(--ease);
  transition-delay: var(--delay, 0ms);
}

.reveal.show {
  opacity: 1;
  transform: none;
  filter: none;
}

/* HLAVIČKA STRÁNKY */

.page-hero {
  position: relative;
  padding: 110px 24px 60px;
  text-align: center;
  color: white;
  background-color: var(--dark);
  background-image: url(images/bg-dark.png);
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 120%, rgba(47, 103, 168, 0.55), transparent 65%);
  pointer-events: none;
}

.page-hero > * {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  margin: 8px 0 12px;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -1px;
}

.page-hero p {
  margin: 0 auto;
  max-width: 620px;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.5;
  color: rgb(207, 207, 207);
}

.eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(14px, 1.6vw, 20px);
  font-weight: 600;
  letter-spacing: 1px;
  color: #6fa3e0;
}

.eyebrow::before,
.eyebrow::after {
  content: "";
  width: 0;
  height: 4px;
  margin: 0 15px;
  border-radius: 2px;
  background-color: #6fa3e0;
  animation: eyebrowLine 0.9s var(--ease) 0.3s forwards;
}

@keyframes eyebrowLine {
  to { width: 35px; }
}

.on-light .eyebrow {
  color: var(--blue);
}

.on-light .eyebrow::before,
.on-light .eyebrow::after {
  background-color: var(--blue);
}

/* FILTRY */

.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background-color: white;
  border: 2px solid rgb(225, 225, 225);
  border-radius: 50px;
  cursor: pointer;
  transition: transform 0.3s var(--ease), background-color 0.3s, color 0.3s,
    border-color 0.3s, box-shadow 0.3s;
}

.chip:hover {
  transform: translateY(-2px);
  border-color: var(--blue);
}

.chip:active {
  transform: scale(0.96);
}

.chip:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

.chip.active {
  color: white;
  background-color: var(--blue);
  border-color: var(--blue);
  box-shadow: 0 6px 18px rgba(47, 103, 168, 0.4);
}

.chip-count {
  font-size: 13px;
  font-weight: 700;
  padding: 1px 8px;
  border-radius: 20px;
  background-color: rgba(0, 0, 0, 0.08);
}

.chip.active .chip-count {
  background-color: rgba(255, 255, 255, 0.25);
}

/* TLAČÍTKA */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 34px;
  font-size: 18px;
  font-weight: 700;
  font-family: inherit;
  text-decoration: none;
  border: none;
  border-radius: 50px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    background-color 0.3s, color 0.3s;
}

.btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: skewX(-20deg);
  pointer-events: none;
}

.btn:hover::after {
  left: 130%;
  transition: left 0.7s var(--ease);
}

.btn:hover {
  transform: translateY(-3px);
}

.btn:active {
  transform: translateY(0) scale(0.97);
}

.btn:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

.btn-arrow {
  display: inline-block;
  transition: transform 0.3s var(--ease);
}

.btn:hover .btn-arrow {
  transform: translateX(6px);
}

.btn-primary {
  background-color: white;
  color: var(--text);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-dark {
  background-color: var(--dark);
  color: white;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.25);
}

.btn-dark:hover {
  background-color: var(--blue);
}

/* CTA PÁS */

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px 40px;
  padding: 60px max(24px, calc((100% - 1200px) / 2 + 40px));
  color: white;
  background-color: var(--blue);
  background-image: linear-gradient(120deg, #2F67A8, #3b7bc4 55%, #2F67A8);
  background-size: 200% 100%;
  animation: bandShift 8s ease-in-out infinite alternate;
}

@keyframes bandShift {
  from { background-position: 0% 0; }
  to { background-position: 100% 0; }
}

.cta-text h2 {
  margin: 0 0 8px 0;
  font-size: clamp(28px, 3.5vw, 44px);
}

.cta-text p {
  margin: 0;
  font-size: 18px;
  color: rgb(225, 235, 247);
}

@media (max-width: 1000px) {
  .page-hero {
    padding: 90px 20px 45px;
  }

  .cta-band {
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 500px) {
  .btn {
    padding: 14px 26px;
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }

  .cta-band {
    animation: none;
  }

  .eyebrow::before,
  .eyebrow::after {
    animation: none;
    width: 35px;
  }
}