/* About profile and digital certificate */
.trainer-showcase {
  position: relative;
  overflow: hidden;
  padding: clamp(4.5rem, 8vw, 7.5rem) 0;
  color: #fff;
  background:
    linear-gradient(105deg, rgba(9,15,10,.96), rgba(18,30,18,.90)),
    radial-gradient(circle at 82% 30%, rgba(185,151,42,.14), transparent 32%),
    #0d160e;
}

.trainer-showcase::before {
  content: "";
  position: absolute;
  inset: -8%;
  opacity: .13;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='150' viewBox='0 0 260 150'%3E%3Cg fill='none' stroke='%23efe8d7' stroke-width='9' stroke-linecap='round'%3E%3Cpath d='M72 75h116'/%3E%3Cpath d='M52 48v54M35 58v34M208 48v54M225 58v34'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 260px 150px;
  transform: rotate(-9deg) scale(1.1);
  pointer-events: none;
}

.trainer-showcase-shade {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 82%, rgba(95,126,74,.18), transparent 28%),
    linear-gradient(to bottom, transparent 65%, rgba(0,0,0,.32));
  pointer-events: none;
}

.trainer-showcase-grid,
.credential-band {
  position: relative;
  z-index: 1;
}

.trainer-showcase-grid {
  display: grid;
  grid-template-columns: minmax(380px, .92fr) minmax(560px, 1.08fr);
  gap: clamp(2.5rem, 5vw, 5.5rem);
  align-items: start;
}

.trainer-story h2 {
  margin: .55rem 0 2rem;
  color: #fff;
  font-size: clamp(2.5rem, 5vw, 4.7rem);
  line-height: 1.02;
}

.trainer-story h2 span {
  color: #92aa67;
}

.trainer-story-content {
  display: grid;
  grid-template-columns: minmax(210px, .78fr) minmax(260px, 1.22fr);
  gap: 1.8rem;
  align-items: start;
}

.trainer-photo-card {
  overflow: hidden;
  border: 1px solid rgba(202,164,53,.75);
  border-radius: 22px;
  aspect-ratio: 4 / 5;
  box-shadow: 0 22px 55px rgba(0,0,0,.38);
}

.trainer-photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 35%;
  display: block;
}

.trainer-bio p {
  margin: 0 0 .9rem;
  color: rgba(255,255,255,.84);
  line-height: 1.68;
}

.trainer-signature {
  margin-top: 1.4rem;
  color: #a9bd76;
  font-family: "Brush Script MT", "Segoe Script", cursive;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1;
}

.trainer-role {
  display: inline-block;
  margin-top: .7rem;
  padding-bottom: .45rem;
  color: rgba(255,255,255,.82);
  border-bottom: 2px solid #bd9630;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.digital-cert-wrap {
  min-width: 0;
  padding: clamp(1rem, 2vw, 1.6rem);
  border: 1px solid rgba(192,151,39,.72);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(24,38,24,.96), rgba(13,23,14,.98));
  box-shadow: 0 24px 70px rgba(0,0,0,.38);
}

.cert-heading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: .3rem 0 1.15rem;
  text-align: center;
}

.cert-heading-line {
  width: clamp(35px, 6vw, 90px);
  height: 2px;
  background: #bd9630;
}

.cert-heading strong {
  display: block;
  color: #fff;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  letter-spacing: .035em;
  text-transform: uppercase;
}

.cert-heading small {
  display: block;
  margin-top: .45rem;
  color: rgba(255,255,255,.65);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.digital-certificate {
  margin: 0;
  padding: clamp(.55rem, 1vw, .85rem);
  border: 1px solid rgba(216,184,94,.65);
  background: #f6f0df;
  box-shadow: 0 14px 35px rgba(0,0,0,.28);
}

.digital-certificate img {
  width: 100%;
  height: auto;
  display: block;
}

.digital-certificate figcaption {
  padding: .75rem .25rem .15rem;
  color: #425042;
  font-size: .73rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-align: center;
  text-transform: uppercase;
}

.credential-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  border: 1px solid rgba(189,150,48,.42);
  border-radius: 22px;
  background: rgba(26,39,25,.94);
  box-shadow: 0 18px 48px rgba(0,0,0,.25);
}

.credential-band > div {
  padding: 1.65rem 1.25rem;
  text-align: center;
}

.credential-band > div + div {
  border-left: 1px solid rgba(208,177,85,.32);
}

.credential-band strong {
  display: block;
  color: #fff;
  font-size: 2rem;
}

.credential-band span {
  display: block;
  margin-top: .35rem;
  color: #f0ead9;
  font-weight: 700;
}

.credential-band small {
  display: block;
  margin-top: .7rem;
  color: rgba(255,255,255,.62);
  line-height: 1.5;
}

@media (max-width: 1080px) {
  .trainer-showcase-grid {
    grid-template-columns: 1fr;
  }

  .digital-cert-wrap {
    max-width: 900px;
    margin-inline: auto;
  }
}

@media (max-width: 720px) {
  .trainer-story-content {
    grid-template-columns: 1fr;
  }

  .trainer-photo-card {
    max-width: 420px;
    margin-inline: auto;
  }

  .credential-band {
    grid-template-columns: 1fr 1fr;
  }

  .credential-band > div:nth-child(3) {
    border-left: 0;
    border-top: 1px solid rgba(208,177,85,.32);
  }

  .credential-band > div:nth-child(4) {
    border-top: 1px solid rgba(208,177,85,.32);
  }
}

@media (max-width: 480px) {
  .trainer-showcase {
    padding: 4rem 0;
  }

  .trainer-story h2 {
    font-size: 2.55rem;
  }

  .digital-cert-wrap {
    padding: .7rem;
    border-radius: 16px;
  }

  .cert-heading-line {
    display: none;
  }

  .credential-band {
    grid-template-columns: 1fr;
  }

  .credential-band > div + div {
    border-left: 0;
    border-top: 1px solid rgba(208,177,85,.32);
  }
}


/* Visible high-resolution dumbbell background override */
.trainer-showcase,
.testimonial-section,
.contact-section {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.trainer-showcase::before,
.testimonial-section::before,
.contact-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(7, 18, 34, .54), rgba(7, 18, 34, .54)),
    url("../images/dumbbell-background.png") center center / cover no-repeat;
  opacity: .72;
  filter: saturate(.78) contrast(1.08);
}

.trainer-showcase > *,
.testimonial-section > *,
.contact-section > * {
  position: relative;
  z-index: 1;
}

@media (max-width: 700px) {
  .trainer-showcase::before,
  .testimonial-section::before,
  .contact-section::before {
    background-position: 65% center;
    opacity: .62;
  }
}