:root {
  --paper: #f1f0eb;
  --ink: #0b0c0b;
  --muted: #666761;
  --line: rgba(11, 12, 11, .2);
  --signal: #f04b19;
  --display: "Arial Narrow", "Bahnschrift Condensed", "Microsoft YaHei UI", sans-serif;
  --sans: "Bahnschrift", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; overflow-x: hidden; }
#overview, #features, #specifications, #downloads { scroll-margin-top: 76px; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
::selection { color: white; background: var(--signal); }
.pp-skip { position: fixed; z-index: 999; top: 8px; left: 8px; padding: 12px 18px; color: white; background: var(--ink); transform: translateY(-150%); }
.pp-skip:focus { transform: none; }

.pp-header { position: fixed; z-index: 50; inset: 0 0 auto; height: 76px; padding: 0 3.2vw; display: flex; align-items: center; gap: clamp(18px, 2.4vw, 42px); color: var(--ink); background: rgba(241,240,235,.985); border-bottom: 1px solid rgba(11,12,11,.13); transition: color .3s, background .3s, border-color .3s; }
.pp-header.is-scrolled { color: white; background: rgba(11,12,11,.96); border-color: rgba(255,255,255,.12); }
.pp-brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.pp-brand strong { font-family: var(--display); font-size: 29px; font-weight: 900; letter-spacing: .07em; }
.pp-brand i { width: 1px; height: 31px; background: currentColor; opacity: .45; }
.pp-brand .pp-hb-logo { width: 86px; height: 31px; display: block; background: currentColor; -webkit-mask: url("assets/images/brand/hb-logo-from-source-solid.svg") center / contain no-repeat; mask: url("assets/images/brand/hb-logo-from-source-solid.svg") center / contain no-repeat; }
.pp-current-product { padding-left: clamp(18px, 2vw, 32px); border-left: 1px solid currentColor; font-family: var(--display); font-size: 18px; letter-spacing: -.02em; white-space: nowrap; }
.pp-header nav { margin-left: auto; display: flex; gap: 34px; }
.pp-header nav a { font-size: 14px; font-weight: 650; }
.pp-contact { min-height: 42px; padding: 0 20px; display: inline-flex; align-items: center; color: white; background: var(--ink); font-size: 14px; font-weight: 700; }
.pp-header.is-scrolled .pp-contact { color: var(--ink); background: white; }
.pp-hero { min-height: 100svh; position: relative; isolation: isolate; overflow: hidden; display: grid; grid-template-columns: .82fr 1.18fr; padding-top: 76px; background: #deddd7; }
.pp-hero::before { content: ""; position: absolute; z-index: -1; inset: 76px 0 0; background: radial-gradient(circle at 68% 45%, rgba(255,255,255,.9), transparent 43%), linear-gradient(90deg, transparent 33%, rgba(11,12,11,.07) 33.1%, transparent 33.2%, transparent 66%, rgba(11,12,11,.07) 66.1%, transparent 66.2%); }
.pp-hero-copy { align-self: center; padding: 7vw 0 7vw 5.5vw; position: relative; z-index: 3; }
.pp-hero-copy > p { margin: 0 0 22px; color: var(--muted); font-size: 15px; letter-spacing: .08em; }
.pp-hero-copy h1 { margin: 0; font-family: var(--display); font-size: clamp(72px, 7.8vw, 136px); line-height: .82; letter-spacing: -.075em; white-space: nowrap; }
.pp-hero-copy h2 { max-width: 560px; margin: 36px 0; font-family: var(--display); font-size: clamp(28px, 3.1vw, 52px); line-height: 1.08; letter-spacing: -.04em; }
.pp-hero-copy > a { width: 190px; padding: 15px 0; display: flex; justify-content: space-between; border-top: 1px solid var(--ink); font-size: 14px; font-weight: 700; }
.pp-hero-copy > a span { color: var(--signal); }
.pp-hero-media { min-height: 650px; position: relative; display: grid; place-items: end center; padding: 4vw 2vw 2.2vw 0; }
.pp-hero-media > span { position: absolute; z-index: -1; left: -3vw; top: 6%; font-family: var(--display); font-size: clamp(190px, 25vw, 430px); font-weight: 900; line-height: .75; letter-spacing: -.1em; color: rgba(11,12,11,.055); }
.pp-hero-media img { width: min(100%, 900px); max-height: 72vh; object-fit: contain; }
.pp-hero-badge { position: absolute; right: 3.2vw; top: 105px; padding: 10px 14px; border: 1px solid var(--ink); font-size: 14px; font-weight: 700; }
.pp-metrics { min-height: 150px; display: grid; grid-template-columns: .8fr .8fr 1.4fr; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.pp-metrics > div { padding: 25px 3.2vw; display: flex; flex-direction: column; justify-content: space-between; gap: 25px; border-right: 1px solid var(--line); }
.pp-metrics > div:last-child { border-right: 0; }
.pp-metrics span { color: var(--muted); font-size: 14px; }
.pp-metrics strong { font-family: var(--display); font-size: clamp(28px, 3.2vw, 52px); line-height: 1; letter-spacing: -.035em; }
.pp-metrics > div:last-child strong { max-width: 640px; font-family: var(--sans); font-size: clamp(18px, 2vw, 30px); line-height: 1.35; }

.pp-statement { min-height: 700px; padding: 130px 7vw; display: grid; grid-template-columns: .58fr 1.42fr; gap: 4vw; align-content: center; opacity: 0; transform: translateY(26px); transition: opacity .75s, transform .75s; }
.pp-statement.is-visible { opacity: 1; transform: none; }
.pp-statement > p { margin: 8px 0 0; color: var(--signal); font-size: 14px; letter-spacing: .13em; }
.pp-statement h2 { margin: 0; font-family: var(--display); font-size: clamp(58px, 8vw, 136px); line-height: .9; letter-spacing: -.07em; }
.pp-statement > div { grid-column: 2; margin-top: 20px; display: grid; grid-template-columns: minmax(0, 1fr) 200px; gap: 50px; align-items: end; }
.pp-statement > div p { margin: 0; max-width: 750px; color: var(--muted); font-size: 18px; line-height: 1.85; }
.pp-statement > div a { padding: 15px 0; display: flex; justify-content: space-between; border-top: 1px solid var(--ink); font-size: 14px; font-weight: 700; }
.pp-statement > div a span { color: var(--signal); }
.pp-detail-visual { min-height: min(72vw, 900px); position: relative; overflow: hidden; display: grid; place-items: center; color: white; background: var(--ink); opacity: 0; transform: translateY(26px); transition: opacity .75s, transform .75s; }
.pp-detail-visual.is-visible { opacity: 1; transform: none; }
.pp-detail-visual img { width: min(72vw, 1000px); max-height: min(68vw, 820px); object-fit: contain; }
.pp-detail-visual > span { position: absolute; top: 34px; left: 3.2vw; font-size: 14px; line-height: 1.5; letter-spacing: .08em; }
.pp-highlights { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--ink); background: var(--paper); }
.pp-highlights article { min-height: 330px; padding: 28px 3.2vw 40px; display: flex; flex-direction: column; border-right: 1px solid var(--line); opacity: 0; transform: translateY(20px); transition: opacity .7s, transform .7s; }
.pp-highlights article.is-visible { opacity: 1; transform: none; }
.pp-highlights article:last-child { border-right: 0; }
.pp-highlights span { color: var(--signal); font-size: 14px; }
.pp-highlights h3 { margin: auto 0 20px; font-family: var(--display); font-size: clamp(28px, 3.1vw, 50px); line-height: 1; letter-spacing: -.045em; }
.pp-highlights p { margin: 0; max-width: 430px; color: var(--muted); font-size: 16px; line-height: 1.75; }
.pp-feature-scene { min-height: 760px; display: grid; grid-template-columns: .85fr 1.15fr; overflow: hidden; color: white; background: var(--ink); opacity: 0; transform: translateY(26px); transition: opacity .75s, transform .75s; }
.pp-feature-scene.is-visible { opacity: 1; transform: none; }
.pp-feature-scene > div { padding: 8vw 6vw; display: flex; flex-direction: column; justify-content: center; }
.pp-feature-scene > div > p:first-child { margin: 0 0 35px; color: var(--signal); font-size: 14px; letter-spacing: .13em; }
.pp-feature-scene h2 { margin: 0 0 35px; font-family: var(--display); font-size: clamp(54px, 6.5vw, 108px); line-height: .9; letter-spacing: -.065em; }
.pp-feature-scene > div > p:last-child { max-width: 520px; margin: 0; color: #a7a9a2; font-size: 18px; line-height: 1.8; }
.pp-feature-scene img { width: 100%; height: 100%; min-height: 760px; object-fit: cover; }

.pp-specifications { padding: 125px 7vw 140px; opacity: 0; transform: translateY(26px); transition: opacity .75s, transform .75s; }
.pp-specifications.is-visible { opacity: 1; transform: none; }
.pp-specifications header { display: grid; grid-template-columns: .55fr 1fr .75fr; gap: 4vw; align-items: end; margin-bottom: 65px; }
.pp-specifications header p { align-self: start; margin: 8px 0 0; color: var(--signal); font-size: 14px; letter-spacing: .13em; }
.pp-specifications h2 { margin: 0; font-family: var(--display); font-size: clamp(58px, 7vw, 118px); line-height: .85; letter-spacing: -.07em; }
.pp-specifications header span { color: var(--muted); font-size: 15px; line-height: 1.7; }
.pp-specifications dl { margin: 0 0 0 calc(55% / 2); border-top: 1px solid var(--ink); }
.pp-specifications dl > div { min-height: 78px; display: grid; grid-template-columns: .7fr 1.3fr; align-items: center; gap: 28px; border-bottom: 1px solid var(--line); }
.pp-specifications dt { color: var(--muted); font-size: 14px; }
.pp-specifications dd { margin: 0; font-size: 16px; font-weight: 650; line-height: 1.55; }
.pp-downloads { padding: 115px 7vw; color: white; background: var(--ink); opacity: 0; transform: translateY(26px); transition: opacity .75s, transform .75s; }
.pp-downloads.is-visible { opacity: 1; transform: none; }
.pp-downloads header { margin-bottom: 55px; }
.pp-downloads header p { margin: 0 0 25px; color: var(--signal); font-size: 14px; letter-spacing: .13em; }
.pp-downloads h2 { margin: 0; font-family: var(--display); font-size: clamp(58px, 7vw, 118px); line-height: .85; letter-spacing: -.07em; }
.pp-downloads > div { margin-left: 25%; border-top: 1px solid rgba(255,255,255,.4); }
.pp-downloads a { min-height: 82px; padding: 0 18px 0 0; display: grid; grid-template-columns: 70px 1fr auto; align-items: center; gap: 25px; border-bottom: 1px solid rgba(255,255,255,.22); transition: color .2s, background .2s; }
.pp-downloads a:hover { color: var(--ink); background: white; }
.pp-downloads a span { color: var(--signal); font-size: 14px; }
.pp-downloads a strong { font-size: 16px; }
.pp-downloads a i { font-style: normal; font-size: 14px; }
.pp-next { min-height: 330px; padding: 55px 7vw; display: grid; grid-template-columns: 1fr auto; align-content: space-between; border-bottom: 1px solid var(--ink); }
.pp-next > span { grid-column: 1 / -1; color: var(--muted); font-size: 14px; }
.pp-next strong { align-self: end; font-family: var(--display); font-size: clamp(70px, 11vw, 180px); line-height: .75; letter-spacing: -.075em; }
.pp-next i { align-self: end; color: var(--signal); font-size: clamp(60px, 8vw, 120px); font-style: normal; line-height: .6; }
.pp-footer { min-height: 125px; padding: 30px 3.2vw; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: end; }
.pp-footer a { font-family: var(--display); font-size: 50px; font-weight: 900; letter-spacing: -.04em; }
.pp-footer span { color: var(--muted); font-size: 13px; letter-spacing: .08em; }
.pp-footer span:last-child { justify-self: end; }
.pp-not-found { min-height: 100vh; padding: 15vh 8vw; }
.pp-not-found p { color: var(--signal); }
.pp-not-found h1 { max-width: 750px; font-family: var(--display); font-size: 100px; line-height: .9; }
.pp-not-found a { border-bottom: 1px solid; }

/* PEAK geometry: integrated rounded volumes. */
.pp-detail-visual, .pp-feature-scene { margin-inline: 2vw; border-radius: 24px; }

@media (max-width: 900px) {
  #overview, #features, #specifications, #downloads { scroll-margin-top: 66px; }
  .pp-header { height: 66px; padding: 0 20px; gap: 14px; }
  .pp-brand i, .pp-brand span { display: none; }
  .pp-brand strong { font-size: 26px; }
  .pp-current-product { padding-left: 14px; font-size: 15px; }
  .pp-header nav { display: none; }
  .pp-contact { margin-left: auto; min-height: 38px; padding: 0 14px; }
  .pp-hero { min-height: 100svh; grid-template-columns: 1fr; padding-top: 66px; }
  .pp-hero-copy { padding: 75px 20px 0; }
  .pp-hero-copy h1 { font-size: clamp(56px, 15vw, 104px); }
  .pp-hero-copy h2 { margin: 25px 0 0; font-size: clamp(28px, 7.4vw, 42px); }
  .pp-hero-copy > a { display: none; }
  .pp-hero-media { min-height: 50vh; padding: 15px 0 24px; }
  .pp-hero-media > span { left: -4vw; top: 5%; font-size: 62vw; }
  .pp-hero-media img { width: 105%; max-width: none; max-height: 53vh; }
  .pp-hero-badge { top: 92px; right: 20px; font-size: 12px; }
  .pp-metrics { min-height: 0; grid-template-columns: 1fr 1fr; }
  .pp-metrics > div { min-height: 130px; padding: 20px; }
  .pp-metrics > div:nth-child(2) { border-right: 0; }
  .pp-metrics > div:last-child { grid-column: 1 / -1; min-height: 145px; border-top: 1px solid var(--line); }
  .pp-metrics span { font-size: 13px; }
  .pp-metrics strong { font-size: 34px; }
  .pp-statement { min-height: 600px; padding: 90px 20px; display: block; }
  .pp-statement > p { font-size: 13px; }
  .pp-statement h2 { margin-top: 25px; font-size: clamp(40px, 10.5vw, 54px); line-height: .94; }
  .pp-statement > div { display: block; margin-top: 35px; }
  .pp-statement > div p { font-size: 16px; }
  .pp-statement > div a { width: 200px; margin-top: 32px; }
  .pp-detail-visual { min-height: 115vw; }
  .pp-detail-visual img { width: 115%; max-width: none; max-height: 105vw; }
  .pp-detail-visual > span { top: 20px; left: 20px; font-size: 12px; }
  .pp-highlights { grid-template-columns: 1fr; }
  .pp-highlights article { min-height: 245px; padding: 24px 20px 32px; border-right: 0; border-bottom: 1px solid var(--line); }
  .pp-highlights h3 { font-size: 40px; }
  .pp-highlights p { font-size: 15px; }
  .pp-feature-scene { min-height: 0; grid-template-columns: 1fr; }
  .pp-feature-scene > div { min-height: 540px; padding: 85px 20px; }
  .pp-feature-scene h2 { font-size: 15vw; }
  .pp-feature-scene > div > p:last-child { font-size: 16px; }
  .pp-feature-scene img { min-height: 110vw; }
  .pp-specifications { padding: 90px 20px 100px; }
  .pp-specifications header { display: block; margin-bottom: 45px; }
  .pp-specifications h2 { margin-top: 25px; font-size: 16vw; }
  .pp-specifications header span { display: block; margin-top: 25px; }
  .pp-specifications dl { margin: 0; }
  .pp-specifications dl > div { min-height: 78px; grid-template-columns: .8fr 1.2fr; gap: 15px; }
  .pp-specifications dt { font-size: 13px; }
  .pp-specifications dd { font-size: 14px; }
  .pp-downloads { padding: 85px 20px 95px; }
  .pp-downloads h2 { font-size: 16vw; }
  .pp-downloads > div { margin: 0; }
  .pp-downloads a { grid-template-columns: 40px 1fr auto; gap: 12px; }
  .pp-downloads a strong { font-size: 14px; }
  .pp-downloads a i { font-size: 12px; }
  .pp-next { min-height: 260px; padding: 40px 20px; }
  .pp-next strong { font-size: 18vw; }
  .pp-footer { grid-template-columns: 1fr 1fr; padding: 25px 20px; }
  .pp-footer a { grid-column: 1 / -1; margin-bottom: 22px; font-size: 70px; }
  .pp-footer span { font-size: 12px; }
  .pp-detail-visual, .pp-feature-scene { margin-inline: 10px; border-radius: 16px; }
  .pp-statement, .pp-detail-visual, .pp-highlights article, .pp-feature-scene, .pp-specifications, .pp-downloads { opacity: 1; transform: none; transition: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
  .pp-statement, .pp-detail-visual, .pp-highlights article, .pp-feature-scene, .pp-specifications, .pp-downloads { opacity: 1; transform: none; }
}