/* ── Hero (start) ── */
.chapter--hero {
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-xl);
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: kenBurns 20s ease-in-out infinite alternate;
}

@keyframes kenBurns {
  0% {
    transform: scale(1) translate(0, 0);
  }
  100% {
    transform: scale(1.08) translate(-1%, -1%);
  }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(14, 14, 14, 0.95) 0%,
    rgba(14, 14, 14, 0.4) 50%,
    rgba(14, 14, 14, 0.6) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero__label {
  color: var(--color-orange);
  margin-bottom: var(--space-sm);
}

.hero__title {
  color: var(--color-off-white);
  margin-bottom: var(--space-md);
  max-width: 14ch;
}

.hero__subtitle {
  color: var(--color-off-white);
  max-width: 42ch;
  margin-bottom: var(--space-lg);
  font-size: 1.0625rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.hero__scroll-text {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  color: var(--color-off-white-muted);
  writing-mode: vertical-rl;
}

.hero__scroll-line {
  width: 1px;
  height: 3rem;
  background-color: var(--color-orange);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ── Siła section ── */
.chapter--sila {
  background-color: var(--color-charcoal);
  padding-block: var(--space-2xl);
  padding-top: calc(var(--header-height) + var(--space-xl));
}

.sila__header {
  margin-bottom: var(--space-xl);
  max-width: 600px;
}

.sila__title {
  color: var(--color-off-white);
  margin-bottom: var(--space-sm);
}

.sila__desc {
  color: var(--color-off-white-muted);
}

.sila__stats {
  margin-bottom: var(--space-xl);
}

.sila__interior {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  align-items: center;
}

@media (min-width: 900px) {
  .sila__interior {
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-lg);
  }
}

.sila__interior-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.sila__interior-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sila__interior-accent {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 4px;
  height: 40%;
  background-color: var(--color-orange);
}

.sila__interior-content h3 {
  color: var(--color-off-white);
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.sila__interior-content p {
  color: var(--color-off-white-muted);
  margin-bottom: var(--space-md);
}

.sila__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.sila__feature {
  padding: var(--space-sm);
  border-left: 2px solid var(--color-orange);
  background-color: var(--color-steel);
}

.sila__feature-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 0.25rem;
}

.sila__feature-text {
  font-size: 0.8125rem;
  color: var(--color-off-white-muted);
}

.sila__ambiance {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-top: var(--space-xl);
}

.sila__ambiance-img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ── Sprzęt section ── */
.chapter--sprzet {
  background-color: var(--color-steel);
  padding-block: var(--space-2xl);
  padding-top: calc(var(--header-height) + var(--space-xl));
}

.sprzet__header {
  margin-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

@media (min-width: 768px) {
  .sprzet__header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
}

.sprzet__title {
  color: var(--color-off-white);
}

.sprzet__desc {
  color: var(--color-off-white-muted);
  max-width: 400px;
}

/* ── Trener section ── */
.chapter--trener {
  background-color: var(--color-off-white);
  color: var(--color-dark-text);
  padding-block: var(--space-2xl);
  padding-top: calc(var(--header-height) + var(--space-xl));
}

.trener__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 900px) {
  .trener__grid {
    grid-template-columns: 1fr 1.1fr;
    gap: var(--space-2xl);
  }
}

.trener__img-wrap {
  position: relative;
}

.trener__img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.trener__img-frame {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  right: calc(var(--space-md) * -1);
  bottom: calc(var(--space-md) * -1);
  border: 2px solid var(--color-orange);
  z-index: -1;
}

.trener__label {
  color: var(--color-orange);
  margin-bottom: var(--space-xs);
}

.trener__name {
  color: var(--color-dark-text);
  margin-bottom: var(--space-sm);
}

.trener__role {
  font-size: 0.9375rem;
  color: var(--color-dark-muted);
  margin-bottom: var(--space-md);
}

.trener__bio {
  color: var(--color-dark-text);
  margin-bottom: var(--space-md);
}

.trener__credentials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.trener__credential {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 0.875rem;
  border: 2px solid var(--color-dark-text);
  color: var(--color-dark-text);
}

.trener__classes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.trener__class-card {
  position: relative;
  overflow: hidden;
}

.trener__class-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.trener__class-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14, 14, 14, 0.8), transparent);
  display: flex;
  align-items: flex-end;
  padding: var(--space-sm);
}

.trener__class-name {
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-off-white);
}

/* ── Karnety section ── */
.chapter--karnety {
  background-color: var(--color-off-white);
  color: var(--color-dark-text);
  padding-block: var(--space-2xl);
  padding-top: calc(var(--header-height) + var(--space-xl));
}

.karnety__header {
  text-align: center;
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-inline: auto;
}

.karnety__title {
  color: var(--color-dark-text);
  margin-bottom: var(--space-sm);
}

.karnety__desc {
  color: var(--color-dark-muted);
}

/* ── Dojazd section ── */
.chapter--dojazd {
  background-color: var(--color-charcoal);
  padding-block: var(--space-2xl);
  padding-top: calc(var(--header-height) + var(--space-xl));
  min-height: auto;
}

.dojazd__header {
  margin-bottom: var(--space-xl);
}

.dojazd__title {
  color: var(--color-off-white);
  margin-bottom: var(--space-sm);
}

.dojazd__desc {
  color: var(--color-off-white-muted);
  max-width: 500px;
}

.dojazd__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 900px) {
  .dojazd__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

.dojazd__map-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  border: 2px solid var(--color-steel-light);
  overflow: hidden;
}

.dojazd__map {
  width: 100%;
  height: 100%;
  border: 0;
}

.dojazd__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.dojazd__contact-block h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: var(--space-sm);
}

.dojazd__contact-block p,
.dojazd__contact-block address,
.dojazd__contact-block a {
  color: var(--color-off-white);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.dojazd__contact-block a:hover {
  color: var(--color-orange);
}

.dojazd__hours-block h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: var(--space-sm);
}

.dojazd__form-block {
  margin-top: var(--space-md);
}

.dojazd__form-block h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-off-white);
  margin-bottom: var(--space-md);
}

.dojazd__form-block p {
  color: var(--color-off-white-muted);
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

.dojazd__transport {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.dojazd__transport-tag {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--color-steel-light);
  color: var(--color-off-white-muted);
}