.pa-hero { position: relative; overflow: hidden; padding: 176px 0 128px; background: var(--bg-0); }
  .pa-hero-bg { position: absolute; inset: 0; background: url("/files/proalpha-hero.webp") 70% center / cover no-repeat; }
  .pa-hero-bg::after {
    content: ""; position: absolute; inset: 0;
    background:
      linear-gradient(90deg, var(--bg-0) 0%, rgba(22,21,21,0.9) 30%, rgba(22,21,21,0.25) 62%, rgba(22,21,21,0) 100%),
      linear-gradient(0deg, var(--bg-0) 0%, rgba(22,21,21,0) 26%);
  }
  .pa-hero .wrap { position: relative; z-index: 2; }
  .pa-hero-copy { max-width: 640px; }
  .pa-hero h1 { font-size: clamp(40px, 5.2vw, 70px); margin-top: 18px; }
  .pa-hero h1 .accent { color: var(--orange-bright); }
  .pa-hero .sub { font-size: 19px; color: var(--txt-mid); max-width: 540px; margin-top: 22px; text-wrap: pretty; }
  .pa-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
  .pa-tag {
    font-family: var(--font-display); font-stretch: var(--display-stretch); font-weight: 620;
    font-size: 13px; letter-spacing: 0.03em; color: var(--orange-soft);
    border: 1px solid rgba(244, 116, 27, 0.4); border-radius: 999px; padding: 8px 16px;
    background: rgba(22, 21, 21, 0.55);
  }
  .pa-hero .hero-ctas { margin-top: 34px; }
  .pa-sec { padding: var(--sec-pad) 0; position: relative; }
  .pa-sec.alt { background: var(--bg-1); }
  .pa-sec.light { background: var(--light-0); color: var(--ink); }
  .pa-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .pa-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .pa-num { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; color: var(--orange-bright); }
  .pa-callout {
    margin-top: 40px; padding: 26px 0 26px 30px; border-left: 3px solid var(--orange);
    font-family: var(--font-display); font-stretch: var(--display-stretch); font-weight: 600;
    font-size: clamp(20px, 2.2vw, 26px); line-height: 1.35; max-width: 900px; text-wrap: balance;
  }
  .pa-card-light {
    background: #fff; border: 1px solid var(--paper-line); border-radius: var(--r-card);
    padding: 32px 30px; display: grid; gap: 12px; align-content: start;
    box-shadow: 0 18px 40px rgba(18, 18, 18, 0.05);
    transition: transform 0.25s, border-color 0.25s;
  }
  .pa-card-light:hover { transform: translateY(-4px); border-color: rgba(244, 116, 27, 0.45); }
  .pa-card-light h3 { font-family: var(--font-display); font-stretch: var(--display-stretch); font-weight: 660; font-size: 19px; color: var(--ink); }
  .pa-card-light p { font-size: 15px; color: var(--ink-soft); line-height: 1.6; }
  .pa-benefits { background: var(--bg-0); padding: 72px 0; border-bottom: 1px solid var(--line); }
  .pa-benefit-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .pa-benefit { display: flex; align-items: center; gap: 20px; }
  .pa-benefit img { width: 84px; height: auto; flex: none; }
  .pa-benefit span {
    font-family: var(--font-display); font-stretch: var(--display-stretch); font-weight: 600;
    font-size: 21px; line-height: 1.2; color: var(--orange-bright);
  }
  .pa-split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; }
  .pa-split-copy { display: grid; gap: 22px; }
  .pa-split-copy h2 { font-size: clamp(32px, 3.6vw, 46px); }
  .pa-split-copy .lede { font-size: 17.5px; color: var(--txt-mid); text-wrap: pretty; }
  .pa-diagram { padding: 24px; }
  .pa-list { display: grid; gap: 12px; }
  .pa-list li { position: relative; padding-left: 26px; font-size: 15.5px; color: var(--txt-mid); line-height: 1.55; }
  .pa-list li::before { content: ""; position: absolute; left: 2px; top: 0.6em; width: 8px; height: 8px; rotate: 45deg; background: var(--orange); }
  .pa-list li b { color: var(--txt-hi); font-weight: 600; }
  .pa-int {
    background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--r-card);
    padding: 32px 30px; display: grid; gap: 14px; align-content: start; transition: border-color 0.25s;
  }
  .pa-int:hover { border-color: rgba(244, 116, 27, 0.4); }
  .pa-int h3 { font-family: var(--font-display); font-stretch: var(--display-stretch); font-weight: 660; font-size: 22px; }
  .pa-int p { font-size: 15px; color: var(--txt-mid); line-height: 1.6; }
  .pa-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
  .pa-chips span {
    font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--txt-hi);
    border: 1px solid var(--line-strong); border-radius: 999px; padding: 6px 12px;
  }
  .pa-tech { margin-top: 56px; padding-top: 44px; border-top: 1px solid var(--paper-line); }
  .pa-tech-title { font-family: var(--font-display); font-stretch: var(--display-stretch); font-weight: 660; font-size: 22px; margin-bottom: 26px; }
  .pa-tech-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; list-style: none; }
  .pa-tech-steps li { display: flex; gap: 16px; align-items: flex-start; }
  .pa-tech-n {
    width: 40px; height: 40px; border-radius: 50%; flex: none; display: grid; place-items: center;
    border: 1.5px solid var(--orange); color: var(--orange); font-family: var(--font-mono); font-size: 14px;
  }
  .pa-tech-steps h4 { font-family: var(--font-display); font-stretch: var(--display-stretch); font-weight: 650; font-size: 16.5px; color: var(--ink); margin-bottom: 6px; }
  .pa-tech-steps p { font-size: 14px; color: var(--ink-soft); line-height: 1.55; }
  .pa-dl {
    display: grid; grid-template-columns: auto 1fr auto; gap: 22px; align-items: center;
    background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--r-card); padding: 28px 30px;
    transition: border-color 0.25s, transform 0.25s;
  }
  .pa-dl:hover { border-color: rgba(244, 116, 27, 0.5); transform: translateY(-3px); }
  .pa-dl-icon {
    width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
    background: rgba(244, 116, 27, 0.12); border: 1px solid rgba(244, 116, 27, 0.35); color: var(--orange-bright);
  }
  .pa-dl-body { display: grid; gap: 4px; }
  .pa-dl-kicker { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--txt-low); }
  .pa-dl-title { font-family: var(--font-display); font-stretch: var(--display-stretch); font-weight: 660; font-size: 19px; color: var(--txt-hi); }
  .pa-dl-text { font-size: 14px; color: var(--txt-mid); }
  .pa-dl-cta { font-weight: 600; font-size: 14.5px; color: var(--orange-bright); white-space: nowrap; }
  .pa-dl:hover .arr { transform: translateX(3px); }
  .pa-dl .arr { display: inline-block; transition: transform 0.22s ease; }
  .pa-sec .step { align-content: start; }
  .cta-panel .eyebrow { position: relative; }
  @media (max-width: 1100px) {
    .pa-grid-3 { grid-template-columns: 1fr; }
    .pa-split { grid-template-columns: 1fr; gap: 40px; }
    .pa-benefit-row { grid-template-columns: 1fr; gap: 18px; }
    .pa-tech-steps { grid-template-columns: 1fr; gap: 22px; }
    .pa-hero-bg { background-position: 62% center; opacity: 0.55; }
    .pa-sec .steps.steps-4 { grid-template-columns: 1fr; }
  }
  @media (max-width: 760px) {
    .pa-hero { padding: 128px 0 88px; }
    .pa-hero h1 { hyphens: auto; -webkit-hyphens: auto; }
    .pa-hero .hero-ctas .btn { width: 100%; }
    .pa-grid-2 { grid-template-columns: 1fr; }
    .pa-dl { grid-template-columns: auto 1fr; }
    .pa-dl-cta { grid-column: 1 / -1; }
    .pa-callout { padding-left: 20px; }
  }