.main { margin: 54px auto 0 auto; }
@media only screen and (max-width: 1200px) { .main { margin: 49px auto 0 auto; } }
@media only screen and (max-width: 600px) { .main { margin: 46px auto 0 auto; } .main__hero { min-height: 160px; } }


/* ====== HERO SECTION ====== */
.bt__heroSection {
  width: 100%;
  align-self: stretch;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 180px 20px 100px;
}
.bt__heroSection::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('../../images/be_trainer.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: saturate(0.35) sepia(0.65) hue-rotate(-10deg) brightness(0.9);
  z-index: 0;
}
.bt__heroSection::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.5) 0%,
    rgba(40, 0, 0, 0.35) 40%,
    rgba(60, 0, 0, 0.45) 100%
  );
  z-index: 1;
}
.bt__heroContent {
  position: relative;
  z-index: 2;
  text-align: center;
}

/* ====== PAGE TITLE ====== */
.bt__title {
  text-align: center;
  color: white;
  font-size: 46px;
  font-weight: 800;
  margin: 0;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}
.bt__subtitle {
  text-align: center;
  color: rgba(255, 255, 255, 0.9);
  font-size: 19px;
  font-weight: 400;
  margin: 10px 0 0 0;
}

/* ====== MAIN WRAPPER — gradient + pattern ====== */
.bt__mainWrapper {
  width: 100%;
  align-self: stretch;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #fff 0%, #f5eeec 20%, #ecdbd6 50%, #e3cfc9 80%, #d9c2bb 100%);
}
.bt__mainWrapper::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(128, 0, 0, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(128, 0, 0, 0.07) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}
.bt__mainWrapper::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(128, 0, 0, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(128, 0, 0, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ====== SECTIONS ====== */
.bt__section {
  width: 100%;
  align-self: stretch;
  padding: 70px 20px;
  position: relative;
  box-sizing: border-box;
}
.bt__section--cta {
  background: linear-gradient(180deg, #1a1a1a 0%, #2a1515 50%, #1a1a1a 100%);
  overflow: hidden;
}
.bt__section--cta::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(128, 0, 0, 0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(128, 0, 0, 0.08) 0%, transparent 50%);
  pointer-events: none;
}
.bt__sectionInner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.bt__sectionTitle {
  font-size: 30px;
  font-weight: 800;
  color: #1a1a1a;
  text-align: center;
  margin: 0 0 40px 0;
}
.bt__sectionTitle i {
  color: #800000;
  margin-right: 8px;
}

/* ====== TILES GRID ====== */
.bt__tiles {
  display: grid;
  gap: 24px;
  justify-content: center;
}
.bt__tiles--4 {
  grid-template-columns: repeat(4, 1fr);
}
.bt__tiles--5 {
  grid-template-columns: repeat(3, 1fr);
}

/* ====== SINGLE TILE ====== */
.bt__tile {
  background: #fff;
  border: 1px solid rgba(128, 0, 0, 0.1);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(128, 0, 0, 0.04);
}

/* top accent line */
.bt__tile::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, #800000, #c00000);
  transition: width 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* shimmer sweep */
.bt__tile::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(128, 0, 0, 0.04), transparent);
  transition: left 0.6s ease;
  pointer-events: none;
}

.bt__tile:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(128, 0, 0, 0.14), 0 4px 12px rgba(0, 0, 0, 0.06);
  border-color: rgba(128, 0, 0, 0.25);
}
.bt__tile:hover::before {
  width: 100%;
}
.bt__tile:hover::after {
  left: 100%;
}

.bt__tileIcon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(128, 0, 0, 0.08);
  color: #800000;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  transition: background 0.4s ease, transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease;
}
.bt__tile:hover .bt__tileIcon {
  background: rgba(128, 0, 0, 0.15);
  transform: scale(1.12) translateY(-2px);
  box-shadow: 0 6px 20px rgba(128, 0, 0, 0.15);
}
.bt__tileTitle {
  font-size: 17px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 8px 0;
  transition: color 0.3s ease;
}
.bt__tile:hover .bt__tileTitle {
  color: #800000;
}
.bt__tileText {
  font-size: 15px;
  color: #3a3a3a;
  line-height: 1.6;
  margin: 0;
}

/* ====== CTA SECTION ====== */
.bt__ctaCard {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.bt__ctaIcon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, #800000, #a00000);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #fff;
  box-shadow: 0 6px 24px rgba(128, 0, 0, 0.25);
}
.bt__ctaTitle {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 12px 0;
}
.bt__ctaText {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin: 0 0 32px 0;
}

/* ====== BIG CONTACT LINK ====== */
.bt__bigLink {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  background: linear-gradient(135deg, #1a8a3f, #22a84a);
  border: 2px solid rgba(34, 168, 74, 0.7);
  border-radius: 16px;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(26, 138, 63, 0.25);
}
.bt__bigLink:hover {
  background: linear-gradient(135deg, #22a84a, #2bc45a);
  border-color: rgba(43, 196, 90, 0.8);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(26, 138, 63, 0.35);
}
.bt__bigLinkIcon {
  width: 60px;
  height: 60px;
  min-width: 60px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: white;
  transition: background 0.3s ease, transform 0.3s ease;
}
.bt__bigLink:hover .bt__bigLinkIcon {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.08);
}
.bt__bigLinkText {
  display: flex;
  flex-direction: column;
}
.bt__bigLinkLabel {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1;
}
.bt__bigLinkValue {
  font-size: 24px;
  font-weight: 700;
  color: white;
  letter-spacing: 0.5px;
  line-height: 1.3;
  margin-top: 4px;
}

/* ====== RESPONSIVE ====== */
@media only screen and (max-width: 1050px) {
  .bt__heroSection {
    padding: 160px 15px 80px;
  }
  .bt__title { font-size: 34px; }
  .bt__subtitle { font-size: 17px; }
  .bt__tiles--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .bt__tiles--5 {
    grid-template-columns: repeat(2, 1fr);
  }
  .bt__sectionTitle {
    font-size: 26px;
  }
}
@media only screen and (max-width: 600px) {
  .bt__heroSection {
    padding: 130px 15px 60px;
  }
  .bt__title { font-size: 28px; }
  .bt__subtitle { font-size: 15px; }
  .bt__section {
    padding: 50px 15px;
  }
  .bt__tiles--4,
  .bt__tiles--5 {
    grid-template-columns: 1fr;
  }
  .bt__tile {
    padding: 24px 20px;
  }
  .bt__sectionTitle {
    font-size: 22px;
    margin-bottom: 28px;
  }
  .bt__ctaTitle {
    font-size: 22px;
  }
  .bt__bigLink {
    padding: 18px 20px;
    gap: 16px;
  }
  .bt__bigLinkIcon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    font-size: 22px;
  }
  .bt__bigLinkValue {
    font-size: 19px;
  }
}