.ptfe-page {
  --ptfe-ink: #132b2d;
  --ptfe-green: #136654;
  --ptfe-line: #d8e2da;
  color: var(--ptfe-ink);
}
.ptfe-page [id] { scroll-margin-top: 28px; }
.ptfe-hero {
  color: #f6f8f2;
  background: radial-gradient(circle at 76% 14%, #285044 0, transparent 38%), linear-gradient(122deg, #09231f, #12352e 62%, #081d1d);
  padding: 25px 0 58px;
  overflow: hidden;
}
.ptfe-shell { width: min(1240px, calc(100% - 64px)); margin: auto; }
.ptfe-crumb { font-size: 13px; color: #b8d3c4; margin-bottom: 48px; }
.ptfe-crumb a { color: inherit; }
.ptfe-crumb [aria-current] { color: #fff; }
.ptfe-hero-grid { display: grid; grid-template-columns: minmax(0, .91fr) minmax(0, 1.09fr); gap: clamp(30px, 4.5vw, 70px); align-items: center; }
.ptfe-eyebrow { color: #a7d2be; font-size: 12px; font-weight: 650; letter-spacing: .17em; margin: 0 0 17px; }
.ptfe-hero h1 { color: #fff; font-size: clamp(39px, 4.9vw, 72px); line-height: 1.13; letter-spacing: -.045em; margin: 0; }
.ptfe-hero h1 span { display: block; color: #a3cfb8; font-size: .48em; font-weight: 400; letter-spacing: .015em; margin-top: 16px; }
.ptfe-deck { max-width: 570px; font-size: clamp(17px, 1.6vw, 22px); line-height: 1.7; margin: 25px 0 0; color: #e4eee7; }
.ptfe-hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 28px; }
.ptfe-hero-actions a { display: inline-flex; justify-content: center; align-items: center; min-height: 47px; padding: 10px 19px; font-size: 14px; font-weight: 600; text-decoration: none; }
.ptfe-hero-actions .ptfe-primary { background: #e9f0df; color: #12392f; }
.ptfe-hero-actions .ptfe-primary:hover { background: white; color: #12392f; }
.ptfe-hero-actions .ptfe-secondary { border: 1px solid #719487; color: #fff; }
.ptfe-hero-actions .ptfe-secondary:hover { background: #ffffff18; color: #fff; }
.ptfe-hero a:focus-visible,.ptfe-page video:focus-visible { outline: 3px solid #c6df9d; outline-offset: 4px; }
.ptfe-metric { display: grid; grid-template-columns: minmax(0, 1fr); row-gap: 10px; margin-top: 39px; padding-top: 23px; border-top: 1px solid #ffffff3d; align-items: end; }
.ptfe-metric-label { grid-column: 1 / -1; color: #b8d3c4; font-size: 13px; margin-bottom: 3px; }
.ptfe-metric strong { display: block; font-size: clamp(42px, 5.5vw, 72px); line-height: 1.1; font-weight: 450; letter-spacing: -.05em; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ptfe-metric p { max-width: 460px; margin: 0 0 4px; font-size: 12px; line-height: 1.75; color: #cbded1; }
.ptfe-film { min-width: 0; margin: 0; background: #071416; border: 1px solid #678d7a; box-shadow: 0 28px 70px #030e0d66; }
.ptfe-film video { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #11191a; }
.ptfe-film figcaption { display: flex; justify-content: space-between; gap: 16px; padding: 12px 17px 14px; font-size: 12px; line-height: 1.6; color: #bfd2c6; }
.ptfe-film figcaption span:first-child { color: #fff; font-weight: 600; }
.ptfe-body.reading { width: min(1060px, calc(100% - 48px)); }
.ptfe-body .toc { margin-bottom: 42px; }
.ptfe-body .toc a { border-color: var(--ptfe-line); }
.ptfe-body #overview { margin-top: 0; }
.ptfe-body #overview h2 { font-size: clamp(26px, 3vw, 37px); margin: 0 0 8px; }
.ptfe-body .ptfe-overview-lead { color: #4b615b; max-width: 760px; margin: 0 0 26px; }
.ptfe-benefits { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.ptfe-benefit { min-width: 0; padding: 22px 24px; background: #f2f6f0; border: 1px solid var(--ptfe-line); border-top: 3px solid var(--ptfe-green); }
.ptfe-benefit span { color: var(--ptfe-green); font-size: 12px; font-weight: 650; letter-spacing: .12em; }
.ptfe-benefit h3 { margin: 12px 0 8px; font-size: 20px; }
.ptfe-benefit p { color: #4b615b; font-size: 14px; line-height: 1.75; margin: 0; }
.ptfe-condition { margin: 22px 0 0; padding: 16px 20px; border-left: 3px solid var(--ptfe-green); background: #f7f9f5; color: #4b615b; font-size: 14px; }
.ptfe-body #specifications { border-top: 1px solid var(--ptfe-line); padding-top: 28px; }
.ptfe-body .data-section:first-child { margin-top: 4px; }
@media (max-width: 900px) {
  .ptfe-hero-grid { grid-template-columns: 1fr; }
  .ptfe-hero-copy { max-width: 760px; }
  .ptfe-film { max-width: 800px; }
}
@media (max-width: 700px) {
  .ptfe-hero { padding: 18px 0 34px; }
  .ptfe-shell { width: calc(100% - 32px); }
  .ptfe-crumb { margin-bottom: 30px; }
  .ptfe-hero h1 { font-size: clamp(38px, 10vw, 54px); }
  .ptfe-deck { margin-top: 20px; }
  .ptfe-metric { column-gap: 18px; margin-top: 31px; }
  .ptfe-film figcaption { display: block; }
  .ptfe-film figcaption span { display: block; }
  .ptfe-body.reading { width: calc(100% - 32px); padding-top: 32px; }
  .ptfe-body .toc { margin-bottom: 28px; }
  .ptfe-benefits { grid-template-columns: 1fr; }
  .ptfe-benefit { padding: 19px 20px; }
}