.versions-page { background: var(--paper-2); }
.versions-page .site-header { position: sticky; top: 0; }
.versions-page .site-nav [aria-current="page"]::after { right: 0; }

.free-register-bar { color: var(--white); background: var(--blue); }
.free-register-inner { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.free-register-inner p { margin: 0; font-size: 14px; }
.free-register-inner strong { font-weight: 800; }
.free-register-inner a { flex: 0 0 auto; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.7); font-size: 12px; font-weight: 700; }
.free-register-inner a span { margin-left: 18px; }

.versions-hero { position: relative; overflow: hidden; background: var(--paper); border-bottom: 1px solid var(--line); }
.versions-grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(33,76,94,.065) 1px,transparent 1px),linear-gradient(90deg,rgba(33,76,94,.065) 1px,transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(to right,transparent,#000 18%,#000 82%,transparent); }
.versions-hero-inner { position: relative; z-index: 1; min-height: 590px; padding-block: 76px; display: grid; grid-template-columns: minmax(0,1fr) minmax(430px,.82fr); align-items: center; gap: clamp(60px,8vw,125px); }
.versions-eyebrow,.versions-section-label,.edition-summary-bar,.edition-code,.version-card-head span,.version-table thead,.spec-note { font-family: Consolas,"Courier New",monospace; text-transform: uppercase; letter-spacing: 1px; }
.versions-eyebrow { margin: 0 0 24px; color: var(--blue); font-size: 10px; font-weight: 700; }
.versions-hero h1 { margin: 0; font-size: clamp(61px,6.3vw,96px); line-height: .9; letter-spacing: -5px; font-weight: 700; }
.versions-hero h1 em { display: inline-block; color: var(--blue); font-family: Georgia,serif; font-weight: 400; }
.versions-lede { max-width: 670px; margin: 32px 0 0; color: #526a76; font-size: 17px; line-height: 1.75; }
.versions-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 26px; margin-top: 32px; }
.versions-button { min-width: 220px; display: inline-flex; justify-content: space-between; gap: 35px; padding: 15px 18px; color: var(--white); background: var(--blue); border: 1px solid var(--blue); font-size: 12px; font-weight: 700; }
.versions-text-link { padding: 10px 0; border-bottom: 1px solid #a1b0b5; font-size: 11px; font-weight: 700; }
.versions-text-link span { margin-left: 14px; color: var(--blue); }

.edition-summary { color: #dcebf0; background: var(--ink); border: 1px solid #2c5266; box-shadow: 0 28px 70px rgba(9,39,58,.2); }
.edition-summary-bar { min-height: 48px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #89a6b2; border-bottom: 1px solid var(--dark-line); font-size: 9px; font-weight: 700; }
.edition-summary-bar span:last-child { color: #7fd4ac; }
.edition-line { min-height: 128px; display: grid; grid-template-columns: 125px 1fr; gap: 25px; align-items: center; padding: 24px 28px; border-bottom: 1px solid var(--dark-line); }
.edition-line:last-child { border-bottom: 0; }
.edition-line-pro { background: #0d3144; }
.edition-code { align-self: start; color: #69b9d9; font-size: 10px; font-weight: 700; }
.edition-line strong { display: block; color: var(--white); font-size: 17px; }
.edition-line p { margin: 9px 0 0; color: #8ea7b2; font-size: 12px; line-height: 1.55; }

.comparison-section { padding: 118px 0 130px; background: var(--paper-2); }
.comparison-heading { display: grid; grid-template-columns: .42fr 1fr .72fr; align-items: end; gap: 45px; }
.versions-section-label { align-self: start; margin: 0; color: var(--blue); font-size: 10px; font-weight: 700; }
.comparison-heading h2,.professional-contact h2 { margin: 0; font-size: clamp(45px,4.6vw,70px); line-height: 1; letter-spacing: -3px; font-weight: 600; }
.comparison-heading h2 em,.professional-contact h2 em { color: var(--blue); font-family: Georgia,serif; font-weight: 400; }
.comparison-heading > p:last-child { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.version-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 62px; }
.version-card { min-width: 0; background: var(--paper); border: 1px solid var(--line); }
.version-card-head { min-height: 105px; display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 23px 25px; color: #dcebf0; background: var(--ink); border-bottom: 1px solid #34576a; }
.version-card-head span { display: block; color: #6ab9da; font-size: 10px; font-weight: 700; }
.version-card-head h3 { margin: 9px 0 0; color: var(--white); font-size: 25px; letter-spacing: -.7px; }
.version-card-head a { flex: 0 0 auto; color: #a8bec7; font-size: 10px; font-weight: 700; }
.version-card-head a:hover { color: var(--white); }
.version-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.version-table th,.version-table td { padding: 17px 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.version-table th:last-child,.version-table td:last-child { border-right: 0; }
.version-table tbody tr:last-child > * { border-bottom: 0; }
.version-table thead th { color: #6d818a; background: #e9ece9; font-size: 10px; font-weight: 700; }
.version-table thead th:first-child { width: 29%; }
.version-table tbody th { color: var(--ink); font-size: 13px; line-height: 1.5; }
.version-table tbody td { color: #596d77; font-size: 13px; line-height: 1.55; }
.version-table .professional-value { color: #126b50; background: rgba(95,190,145,.08); }
.version-table .limited-value { color: #7d898d; }
.spec-note { margin: 0; padding: 14px 18px; color: #7b6b54; background: #f4ecdf; border-top: 1px solid #dfcfb6; font-size: 10px; line-height: 1.55; }

.professional-contact { padding: 105px 0; color: #dcebf0; background: var(--ink); }
.professional-contact-inner { display: grid; grid-template-columns: .42fr 1fr .72fr; align-items: center; gap: 45px; }
.professional-contact .versions-section-label { color: var(--blue-light); }
.professional-contact h2 em { color: var(--blue-light); }
.professional-contact p:not(.versions-section-label) { max-width: 560px; margin: 24px 0 0; color: #8da8b3; font-size: 14px; line-height: 1.75; }
.contact-email { position: relative; min-height: 142px; display: flex; flex-direction: column; justify-content: center; padding: 25px 54px 25px 25px; border: 1px solid #3a6072; background: #0d3144; }
.contact-email span { color: #7797a4; font: 700 10px Consolas,monospace; letter-spacing: 1px; text-transform: uppercase; }
.contact-email strong { margin-top: 13px; color: var(--white); font-size: 15px; overflow-wrap: anywhere; }
.contact-email i { position: absolute; right: 23px; top: 50%; color: var(--blue-light); font-style: normal; transform: translateY(-50%); }
.contact-email:hover { border-color: var(--blue-light); }

@media (max-width: 1050px) {
  .versions-hero-inner { grid-template-columns: 1fr; }
  .edition-summary { width: min(100%,760px); }
  .comparison-heading,.professional-contact-inner { grid-template-columns: .45fr 1fr; }
  .comparison-heading > p:last-child,.professional-contact .contact-email { grid-column: 2; }
}

@media (max-width: 800px) {
  .version-cards { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .free-register-inner { min-height: 82px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 5px; padding-block: 13px; }
  .free-register-inner p { font-size: 13px; }
  .free-register-inner a { font-size: 11px; }
  .versions-hero-inner { min-height: 0; padding-block: 62px; gap: 48px; }
  .versions-hero h1 { font-size: clamp(56px,16vw,72px); letter-spacing: -4px; }
  .versions-lede { font-size: 15px; }
  .edition-line { grid-template-columns: 1fr; min-height: 0; gap: 12px; padding: 22px; }
  .comparison-section,.professional-contact { padding-block: 80px; }
  .comparison-heading,.professional-contact-inner { display: block; }
  .comparison-heading h2,.professional-contact h2 { margin-top: 24px; font-size: 43px; letter-spacing: -2px; }
  .comparison-heading > p:last-child,.professional-contact p:not(.versions-section-label) { margin-top: 24px; }
  .version-cards { margin-top: 45px; }
  .version-card-head { min-height: 96px; padding: 20px 18px; }
  .version-card-head h3 { font-size: 22px; }
  .version-table thead { display: none; }
  .version-table,.version-table tbody,.version-table tr,.version-table th,.version-table td { display: block; width: 100%; }
  .version-table tr { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); }
  .version-table tbody tr:last-child { border-bottom: 0; }
  .version-table tbody th { grid-column: 1 / -1; padding: 13px 15px; background: #e9ece9; border-right: 0; border-bottom: 1px solid var(--line); }
  .version-table tbody td { min-height: 105px; padding: 34px 15px 15px; border-bottom: 0; position: relative; }
  .version-table tbody td::before { content: attr(data-label); position: absolute; top: 12px; left: 15px; color: #71858e; font: 700 9px Consolas,monospace; letter-spacing: .8px; text-transform: uppercase; }
  .contact-email { margin-top: 36px; }
}