/* BioPeak — Peptide Therapy page. */

#site-header { position: sticky; top: 0; z-index: 50; }

.pt-section { padding: var(--space-10) var(--gutter); }
.pt-inner { max-width: var(--container-xl); margin: 0 auto; }
.pt-alt { background: var(--cream-50); }

.pt-sec-grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: var(--space-8);
  align-items: start;
}
.pt-sec-head { position: sticky; top: 116px; }
.pt-sec-head h2 {
  font-size: var(--text-xl);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text-strong);
  margin: 0;
  max-width: 18ch;
  text-wrap: pretty;
}
.pt-rule { width: 48px; height: 2px; background: var(--sage); margin-bottom: var(--space-4); }

.pt-eyebrow {
  font-size: var(--text-2xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: var(--space-3);
}

.pt-body p {
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--text-body);
  max-width: 62ch;
  margin: 0 0 var(--space-4);
}
.pt-body p:last-of-type { margin-bottom: 0; }

.pt-link {
  display: inline-block;
  margin-top: var(--space-5);
  font-size: var(--text-md);
  font-weight: var(--fw-medium);
  color: var(--forest);
  text-decoration: none;
  border-bottom: 1.5px solid var(--sage);
  padding-bottom: 2px;
  transition: color 220ms cubic-bezier(0.22, 0.61, 0.36, 1);
}
.pt-link:hover { color: var(--forest-400); }

/* ---- Hero ---- */
.pt-hero {
  background: var(--forest);
  padding: var(--space-9) var(--gutter) var(--space-10);
}
.pt-hero-inner {
  max-width: var(--container-xl);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--space-8);
  align-items: center;
}
.pt-hero-eyebrow {
  font-size: var(--text-2xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  margin: 0 0 var(--space-5);
}
.pt-hero-display {
  font-size: clamp(2.5rem, 4.6vw, 4.3rem);
  line-height: 1.06;
  font-weight: var(--fw-bold);
  letter-spacing: -0.025em;
  color: var(--cream);
  margin: 0 0 var(--space-6);
  max-width: 15ch;
  text-wrap: balance;
}
.pt-hero h1 {
  font-size: var(--text-lg);
  font-weight: var(--fw-medium);
  line-height: 1.5;
  color: var(--cream);
  margin: 0 0 var(--space-4);
  max-width: 38ch;
  text-wrap: balance;
}
.pt-hero-sub {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-on-dark-muted);
  margin: 0 0 var(--space-6);
  max-width: 52ch;
  text-wrap: pretty;
}
.pt-hero-photo {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  max-height: 560px;
  display: block;
}

/* ---- Recovery band (parallax photo, light text; .hp-mtn hooks reveal.js) ---- */
.pt-mtn {
  position: relative;
  overflow: hidden;
  background: var(--forest);
  padding: var(--space-10) var(--gutter);
  text-align: center;
}
.pt-mtn::before {
  content: "";
  position: absolute;
  inset: -12% 0;
  background-image: url("../assets/img/strength.jpg");
  background-size: cover;
  background-position: 50% calc(40% + var(--mtn-shift, 0px));
}
.pt-mtn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(24, 41, 26, 0.55);
}
.pt-mtn-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
}
.pt-mtn h2 {
  font-size: clamp(1.9rem, 3.8vw, 3rem);
  line-height: 1.15;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.015em;
  color: var(--cream);
  margin: 0 0 var(--space-4);
  text-wrap: balance;
  text-shadow: 0 1px 3px rgba(12, 20, 13, 0.5);
}
.pt-mtn p {
  margin: 0 auto;
  font-size: var(--text-lg);
  line-height: 1.6;
  color: rgba(238, 236, 230, 0.92);
  max-width: 46ch;
  text-wrap: pretty;
  text-shadow: 0 1px 3px rgba(12, 20, 13, 0.5);
}

/* ---- What they support (hairline grid, caps titles) ---- */
.pt-supports {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-7) var(--space-8);
}
.pt-support {
  border-top: 1px solid var(--taupe-300);
  padding-top: var(--space-4);
}
.pt-support h3 {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-strong);
  margin: 0 0 var(--space-2);
}
.pt-support p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-body);
}

/* ---- How it works (2 × 2 steps) ---- */
.pt-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-7) var(--space-8);
}
.pt-step h3 {
  font-size: var(--text-md);
  font-weight: var(--fw-semibold);
  color: var(--text-strong);
  margin: 0 0 var(--space-3);
}
.pt-step-num {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  color: var(--sage);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--taupe-300);
}
.pt-step p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-body);
}
.pt-steps + .pt-link { margin-top: var(--space-7); }

/* ---- Statement band (forest anchor) ---- */
.pt-statement {
  background: var(--forest);
  padding: var(--space-10) var(--gutter);
  text-align: center;
}
.pt-statement-inner { max-width: var(--container-xl); margin: 0 auto; }
.pt-statement h2 {
  font-size: clamp(2.1rem, 4.4vw, 3.6rem);
  line-height: 1.1;
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  color: var(--cream);
  margin: 0 0 var(--space-5);
  text-wrap: balance;
}
.pt-statement p {
  margin: 0 auto;
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--text-on-dark-muted);
  max-width: 46ch;
  text-wrap: pretty;
}

/* ---- Prescribed, not purchased (text + photo) ---- */
.pt-source-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--space-7);
  align-items: start;
}
.pt-source-slot {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  max-height: 420px;
  position: sticky;
  top: 116px;
}

/* ---- Photo strip ---- */
.pt-strip { line-height: 0; background: var(--forest); }
.pt-strip-slot {
  width: 100%;
  height: clamp(320px, 52vh, 560px);
  display: block;
}

/* ---- FAQ ---- */
.pt-faq-wrap { max-width: 720px; }
.pt-faq-wrap * { transition-timing-function: cubic-bezier(0.65, 0, 0.35, 1) !important; }

/* ---- Scroll reveals ---- */
.bp-motion [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 560ms cubic-bezier(0.65, 0, 0.35, 1),
    transform 560ms cubic-bezier(0.65, 0, 0.35, 1);
  transition-delay: calc(var(--reveal-i, 0) * 130ms);
}
.bp-motion [data-reveal].is-in { opacity: 1; transform: none; }
@media print {
  .bp-motion [data-reveal] { opacity: 1; transform: none; }
}
.bp-motion [data-reveal] .pt-rule {
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 650ms cubic-bezier(0.65, 0, 0.35, 1) 120ms;
}
.bp-motion [data-reveal].is-in .pt-rule { transform: scaleX(1); }

/* ---- Mobile ---- */
@media (max-width: 900px) {
  .pt-section { padding: var(--space-8) var(--gutter); }
  .pt-sec-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .pt-sec-head { position: static; }
  .pt-hero { padding: var(--space-8) var(--gutter); }
  .pt-hero-inner { grid-template-columns: 1fr; gap: var(--space-7); }
  .pt-hero-display { font-size: clamp(2.2rem, 9vw, 3rem); }
  .pt-hero-photo { aspect-ratio: 4 / 3; max-height: 420px; }
  .pt-mtn { padding: var(--space-9) var(--gutter); }
  .pt-supports { grid-template-columns: 1fr; gap: var(--space-5); }
  .pt-steps { grid-template-columns: 1fr; }
  .pt-statement { padding: var(--space-9) var(--gutter); }
  .pt-source-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .pt-source-slot { position: relative; top: auto; max-height: 360px; }
  .pt-strip-slot { height: clamp(240px, 38vh, 360px); }
}